Coffee Roaster Warm Up Sessions
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- 8. Nov. 2026
Über den Podcast
The Coffee Roaster Warm Up Sessions podcast covers all things coffee including roasting, brewing, tasting, and business. This is a glimpse into real discussions between two brothers Sergei and Mark Kutrovski who are co-owners of Mirror Coffee Roasters.
Folgen 261
261 | Why flavor notes don't tell the full story
For many of us, coffee flavor notes help us decide whether or not to buy a bag. Although they play a huge role in describing a coffee, but they don't tell us everything about the coffee. They certainly don't …
Shownotes
For many of us, coffee flavor notes help us decide whether or not to buy a bag. Although they play a huge role in describing a coffee, but they don't tell us everything about the coffee. They certainly don't tell us a coffee's quality level either. In this episode, we unpack why flavor notes shouldn't be overly relied on.Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
260 | Why brewing recipes don't make you better at brewing
We love discovering a new coffee brewing recipe. In fact, we just released an updated Aeropress recipe, but consuming more content and learning more recipes alone won't always help you get better at brewing …
Shownotes
We love discovering a new coffee brewing recipe. In fact, we just released an updated Aeropress recipe, but consuming more content and learning more recipes alone won't always help you get better at brewing coffee. In this episode, we talk about putting in the work, focusing on repetition, spending more time experimenting.Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
259 | Finding a new space for our coffee roastery
We're moving into a new coffee roasting space for Mirror. This will transform our roasting operation in so many ways and most important of all, these changes will help us serve you better. We'll be able to ship …
Shownotes
We're moving into a new coffee roasting space for Mirror. This will transform our roasting operation in so many ways and most important of all, these changes will help us serve you better. We'll be able to ship coffees out quicker, roast more consistently, and invest more time into making the Mirror experience better.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
258 | What are underdeveloped and over developed coffees
We have all heard the terms underdeveloped and overdeveloped when it comes to coffee and roasting. The most challenging thing about this conversation is that most people have their definitions of what that …
Shownotes
We have all heard the terms underdeveloped and overdeveloped when it comes to coffee and roasting. The most challenging thing about this conversation is that most people have their definitions of what that tastes like in the cup. This podcast isn’t about defining those for everyone, but this look into our thought process and how we define that for our coffees.Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
257 | Finding the perfect style of coffee for you ( Part 2/2 )
Finding the kinds of coffees you like, how the best way to brew them, and using the perfect gear for you is one of the most important parts of coffee. We're learning to dial in our preference and nail it down …
Shownotes
Finding the kinds of coffees you like, how the best way to brew them, and using the perfect gear for you is one of the most important parts of coffee. We're learning to dial in our preference and nail it down as much as possible. This part 2 of 2 in our mini series about discovering your preference. In this episode, we dive into the biggest variables that impact coffee flavor, from roast development, coffee processing, to filter paper.Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
256 | Finding the perfect style of coffee for you ( Part 1 )
In the coffee industry, you have more options for coffees and gear than you ever had, and all of it is pointless until you find this one thing - your preference. You can buy the most expensive grinder in the …
Shownotes
In the coffee industry, you have more options for coffees and gear than you ever had, and all of it is pointless until you find this one thing - your preference. You can buy the most expensive grinder in the world and still hate the cups you get out of it. Finding your preference changes how buy gear and brew coffee. In this episode we unpack the importance of discovering your preference.Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
255 | Is Omniroast dead? And redefining what espresso roast is
Omni, filter, and espresso roast. We’ve all heard those labels, but are they still relevant in 2026? In this episode, we talk about the differences between those three, why we think filter roasts can taste good …
Shownotes
Omni, filter, and espresso roast. We’ve all heard those labels, but are they still relevant in 2026? In this episode, we talk about the differences between those three, why we think filter roasts can taste good on espresso, and why espresso roast needs to be redefined.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
254 | Why coffee flavor isn't all about roast level
Many coffee enthusiasts stress roast level whether that's medium roast, ultra light roast, nordic, American light roast, and so on. It's not wrong because roast level plays a huge part in coffee flavor, but …
Shownotes
Many coffee enthusiasts stress roast level whether that's medium roast, ultra light roast, nordic, American light roast, and so on. It's not wrong because roast level plays a huge part in coffee flavor, but it's not the full picture. There are many other variables that can make a coffee taste better or worse. We discuss all of that in this episode.
253 | How the Deep 27 has made brewing expensive coffees easier
The Cafec Deep 27 dripper is a game changer for a very specific use case. The Deep 27 dripper tackles a problem that few drippers on the market have addressed. In this episode, we talk about why this has become …
Shownotes
The Cafec Deep 27 dripper is a game changer for a very specific use case. The Deep 27 dripper tackles a problem that few drippers on the market have addressed. In this episode, we talk about why this has become one of our favorite drippers, how it helps with brewing expensive premium lots, and a simple recipe you can use. Wholesale Form: https://mirrorcoffeeroasters.com/pages/wholesale-partnershipPick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
252 | Q&A: water temp vs grind size and pour over repeatability
This is part II of our Q&A episodes where we answer questions submitted by you. We tackle dialing in coffee with temperature vs grind size, repeatability, and more on changing our roasting approach.Pick up our …
Shownotes
This is part II of our Q&A episodes where we answer questions submitted by you. We tackle dialing in coffee with temperature vs grind size, repeatability, and more on changing our roasting approach.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
251 | Coffee Q&A: varietals, dialing in pour over coffee, & starting a roasting company
This is part 1 of our Q&A episodes. We took all the questions you all asked and answered them on the podcast. This episode, we covered our favorite varietals, how to dial in new coffees on pour over, and the …
Shownotes
This is part 1 of our Q&A episodes. We took all the questions you all asked and answered them on the podcast. This episode, we covered our favorite varietals, how to dial in new coffees on pour over, and the costs associated with starting a new coffee roastery.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
250 | Brewing coffee at home changed how we roast coffee
We're reflecting back on the last 6 years of coffee roasting at Mirror Coffee Roasters. It's been a long journey of unlearning things we thought we knew and discovering new things in the process. These years …
Shownotes
We're reflecting back on the last 6 years of coffee roasting at Mirror Coffee Roasters. It's been a long journey of unlearning things we thought we knew and discovering new things in the process. These years have formed the way we roast and source coffee today. In this episode, we are talking about how brewing coffee at home changed us, the lessons we learned along the way, and how we're doing things differently now.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
249 | The OXO Rapid Brewer: What You Didn't Know About The ORB
The OXO Rapid Brewer broke the internet for coffee enthusiasts. It was a new brewer that changed how we thought about brewing coffee and pushed us coffee fanatics into a realm we didn't know existed. Today, we …
Shownotes
The OXO Rapid Brewer broke the internet for coffee enthusiasts. It was a new brewer that changed how we thought about brewing coffee and pushed us coffee fanatics into a realm we didn't know existed. Today, we chat with Chris Diskin, the lead engineer at OXO who helped build the rapid brewer. He shares about the early stages of building the ORB, how it came to be, R&D discoveries, and how the brewer was actually meant to brew coffee.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
248 | 3 Best Coffee Drippers For Home Brewing in 2026
There are A LOT of coffee brewers and drippers available on the market, and most of them are not that much different from one another. Many of them have subtle differences that highlight design and aesthetic …
Shownotes
There are A LOT of coffee brewers and drippers available on the market, and most of them are not that much different from one another. Many of them have subtle differences that highlight design and aesthetic more than actually being practical when it comes to brewing delicious coffee.
In this episode we cut through the noise and recommend 3 manual brewers and drippers you need for your home coffee bar.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
247 | Are multi-roaster coffee shops the perfect model?
Coffee shops are usually split into two categories - those that roast their own coffee and those that serve other roasters. Both have their strengths and weakness, and both offer a different experience to the …
Shownotes
Coffee shops are usually split into two categories - those that roast their own coffee and those that serve other roasters. Both have their strengths and weakness, and both offer a different experience to the customer. Is one better than the other? What do people prefer?In this episode, we dive into these questions and discuss the pros and cons of both models.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
246 | 3 Pour Over Recipes You Should Know
In this episode, we breakdown 3 of our current favorite pour over recipes that get us delicious cups. All three recipes have different workflows, procedures, and flavor presentations, however, each has its own …
Shownotes
In this episode, we breakdown 3 of our current favorite pour over recipes that get us delicious cups. All three recipes have different workflows, procedures, and flavor presentations, however, each has its own strengths and weaknesses.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
245 | The OXO Rapid Brewer Broke The Internet & Soup Coffee
The OXO Rapid Brewer was a phemonena that needs to be studied. A company not known for creating stellar coffee gear launched a piece of coffee equipment that has us coffee enthusiasts mind blown. It has made us …
Shownotes
The OXO Rapid Brewer was a phemonena that needs to be studied. A company not known for creating stellar coffee gear launched a piece of coffee equipment that has us coffee enthusiasts mind blown. It has made us rethink ratios, brew times, and brewing styles. In this episode we talk about the ORB, the style of coffee it makes, and how we've found best results with it.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
244 | Understanding Coffee Terms For Beginners
Coffee people use a lot of words that can sound really confusing, complicated, and like you're learning a new language. In this episode, we simplify the terms you're likely to hear on public forums, youtube …
Shownotes
Coffee people use a lot of words that can sound really confusing, complicated, and like you're learning a new language. In this episode, we simplify the terms you're likely to hear on public forums, youtube videos, and around coffee enthusiasts. The hope is that this helps you wrap your head around some of these terms and make them a little easier to understand.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
243 | Saving a bad roast coffee with good brewing
We’ve all been there where we buy a bag of coffee and it’s just overdeveloped and outside of your preferred style. Is the coffee lost for good or are there things we can do to make it better? Although there is …
Shownotes
We’ve all been there where we buy a bag of coffee and it’s just overdeveloped and outside of your preferred style. Is the coffee lost for good or are there things we can do to make it better?
Although there is no way to totally save a coffee not roasted to your preference, but there are a few things you can try to make the most of the situation.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
242 | When green coffee sourcing goes wrong
Sourcing green coffee is one of the most important parts of running a coffee roasting company. Although it may seem as simple as trying coffee and placing an order, there's a lot more going on and a lot of risk …
Shownotes
Sourcing green coffee is one of the most important parts of running a coffee roasting company. Although it may seem as simple as trying coffee and placing an order, there's a lot more going on and a lot of risk you're managing. In this episode, we reflect back on a few challenges we faced this year with green coffee and share what it's like dealing with hiccups in the supply chain.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
241 | The difference between home and cafe baristas
At this point, making coffee at home has turned into more than a caffeine hit. Home baristas have high end equipment, physics books on extraction, and the time and patience to perfect their morning cups. That …
Shownotes
At this point, making coffee at home has turned into more than a caffeine hit. Home baristas have high end equipment, physics books on extraction, and the time and patience to perfect their morning cups. That is not the same as brewing coffee behind bar and there's a huge difference between the two. In this episode, we talk about why home baristas are pushing the coffee industry forward and why being a barista requires more skills than just making coffee.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
240 | Are home espresso machines worth it?
Many people dream of getting a home espresso machine for their kitchen. At first glance, it feels like bringing a cafe home and having the power to make a drink whenever you want without the price tag. That …
Shownotes
Many people dream of getting a home espresso machine for their kitchen. At first glance, it feels like bringing a cafe home and having the power to make a drink whenever you want without the price tag. That sounds dreamy, but when you start realistically looking at all it takes to get great espresso at home, it's not so romantic. In this episode we unpack the pros and cons of building at an espresso setup at home and whether getting a machine is the right choice for you.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
239 | How to make pour overs easy and delicious
One of the biggest complaints we hear about pour overs in coffee shops is that they're inconsistent and oftentimes not worth the added price tag. It's not because of coffee, but because of brewing. It's hard to …
Shownotes
One of the biggest complaints we hear about pour overs in coffee shops is that they're inconsistent and oftentimes not worth the added price tag. It's not because of coffee, but because of brewing. It's hard to train a team of baristas to nail every pour over every time. In this episode, we talk about a few ways we can make pour overs easier while increasing consistency and maintaining quality.
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
238 | Managing your home coffee supply
Depending on a coffee’s roast level, coffee tastes best at different resting periods after the roast date. Coffees that are roasted light and lighter usually need 3+ weeks to taste best, but that does …
Shownotes
Depending on a coffee’s roast level, coffee tastes best at different resting periods after the roast date. Coffees that are roasted light and lighter usually need 3+ weeks to taste best, but that does complicate things when you always want to coffees at their peak. In this episode, we discuss a few helpful tips that can keep your home coffee bar stocked and tasting best.Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
237 | How electrical currents can read coffee TDS and Roast Level
About a week ago, a new paper was published on the use of cyclical voltammetry to read a coffee's TDS and roast level. It has the potential to make a huge difference in how roasters and coffee drinkers exchange …
Shownotes
About a week ago, a new paper was published on the use of cyclical voltammetry to read a coffee's TDS and roast level. It has the potential to make a huge difference in how roasters and coffee drinkers exchange information, achieve consistency, and standardize quality. Read the full paper here: https://www.nature.com/articles/s41467-026-71526-5Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
236 | The Need For Coffee Processing Transparency
Coffee processing has seen huge leaps forward in the last 10 years. It’s more innovative than ever and has made coffee taste better than ever. As processing is become more complex, their seems to be a greater …
Shownotes
Coffee processing has seen huge leaps forward in the last 10 years. It’s more innovative than ever and has made coffee taste better than ever. As processing is become more complex, their seems to be a greater lack of clarity, communication, and transparency. For many coffee drinkers, it’s become alarming. This is episode 236!
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
235 | Fellow Aiden: The good, bad, and unbeatable
The Fellow Aiden home drip coffee maker has been out for over a year now, and we've been using it for the last year. We've brewed hundreds of brews with it, and we can confidently say that it is the best home …
Shownotes
The Fellow Aiden home drip coffee maker has been out for over a year now, and we've been using it for the last year. We've brewed hundreds of brews with it, and we can confidently say that it is the best home drip coffee machine available, however, it's notorious for giving many people issues. We talk about it all on this episode!Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
234 | The Limitations of Ultra Light Roasts
Ultra light roast coffees have high clarity, preserve volatile flavors, and roasted in a way to minimize roast flavor. That sounds like a perfect cup, however, there are some limitations to that style of …
Shownotes
Ultra light roast coffees have high clarity, preserve volatile flavors, and roasted in a way to minimize roast flavor. That sounds like a perfect cup, however, there are some limitations to that style of roasting. In this episode we unpack a few ways ultra light roasts are limiting and may not be the coffee for what you want to do.
Listen to the episode with Jacob from Airworks: https://open.spotify.com/episode/4JT36fSwcRHJygBNq6Ohqf?si=666cae4b4d4e46e6
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
233 | Ultra Light Roast Coffee Unlocks A Whole New Flavor Profile with Airworks Coffee
Ultra light roast coffee is becoming more and more popular amongst coffee enthusiasts. At first it may seem like it's just underdeveloped, grassy coffees, however, we think there might be some misconceptions …
Shownotes
Ultra light roast coffee is becoming more and more popular amongst coffee enthusiasts. At first it may seem like it's just underdeveloped, grassy coffees, however, we think there might be some misconceptions around ultra light roast coffees. On this episode, we explore ultra light roasts with Airworks, an ultra light roast coffee subscription that brings in coffees from roasters around the world that share the same love for this style of roasting.Check out Airworks' subscription: https://airworkscoffee.com/Find Airworks on Instagram: https://www.instagram.com/airworkscoffeePick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
232 | What you need for perfect water for coffee with Christopher Hendon
Water is the most important ingredient in a cup of coffee. It can make a cup go from being undrinkable to mind blowing. That’s why for this episode we invited Dr. Christopher Hendon on the podcast. A scientist …
Shownotes
Water is the most important ingredient in a cup of coffee. It can make a cup go from being undrinkable to mind blowing. That’s why for this episode we invited Dr. Christopher Hendon on the podcast. A scientist, professor of chemistry, and co-author of Water For Coffee. We talk about the most important variables to measure in water, the impact of magnesium and calcium, and mineralization post brew.
Dr. Christopher Hendon's Book, Water For Coffee (2nd Edition): https://www.scottrao.com/products/water-for-coffee
Pick up our coffee here: https://mirrorcoffeeroasters.com/
Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/
Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA
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