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Coffee Roaster Warm Up Sessions

Coffee Roaster Warm Up Sessions

Mirror Coffee Roasters 242 episodes Latest Jun 7, 2026

The Coffee Roaster Warm Up Sessions podcast covers all things coffee including roasting, brewing, tasting, and business. It offers a glimpse into real discussions between two brothers, Sergei and Mark Kutrovski, who are co-owners of Mirror Coffee Roasters.

Episodes

242 | When green coffee sourcing goes wrong Jun 7, 2026 00:33:50 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
241 | The difference between home and cafe baristas May 31, 2026 00:34:33 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 wh
240 | Are home espresso machines worth it? May 23, 2026 00:31:48 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 es
239 | How to make pour overs easy and delicious May 18, 2026 00:31:42 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
238 | Managing your home coffee supply May 9, 2026 00:26:51 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: ht
237 | How electrical currents can read coffee TDS and Roast Level May 3, 2026 00:23:47 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://mirrorcoffeeroast
236 | The Need For Coffee Processing Transparency Apr 25, 2026 00:26:58 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 Inst
235 | Fellow Aiden: The good, bad, and unbeatable Apr 12, 2026 00:27:18 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.co
234 | The Limitations of Ultra Light Roasts Apr 5, 2026 00:29:38 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.spoti
233 | Ultra Light Roast Coffee Unlocks A Whole New Flavor Profile with Airworks Coffee Mar 29, 2026 00:37:12 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 wor
232 | What you need for perfect water for coffee with Christopher Hendon Mar 21, 2026 00:49:26 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.
231 | Avoid these mistakes when starting a coffee roasting business Mar 7, 2026 00:34:54 We've made a lot of mistakes in our coffee roasting journey that we had to learn the hard way. Mistakes are inevitable when you're trying to build something you've never built before. In this episode, we reflect back on the early years of starting Mirror and talk about the 3 things we wish we did differently that would push us forward much faster.Pick up our coffee here: https://mirror

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