The Mill City Blog
News & Notes
Colombia Project: Pink Bourbon from Carlos Cerquera
This coffee is available in limited quantities on our greens page as part of the Colombia Project. The History Discovered in the 1980s, Pink Bourbon...
Colombia Project: Sidra from Arnulfo Leguizamo
This coffee is available in limited quantities on our greens page as part of the Colombia Project. The History Is Sidra a varietal or a...
Colombia Project: Gesha Natural from Natalia Lezama Ramirez
This coffee is available in limited quantities on our greens page as part of the Colombia Project. The History In the 1930s, this variety was...
Colombia Project: Caturra from Faiber Bolanos
This coffee is available in limited quantities on our greens page as part of the Colombia Project. The History Discovered around 1915-1918 in Brazil, Caturra...
Roastery or Café? How to Choose Your Coffee Business Path
People want to start coffee companies because they love coffee. The artistry and science of coffee mean that there’s a deep ocean of information to...
Understanding Development Time Ratio (DTR) in Roasting
Development Time Ratio, or DTR, is the percentage of the overall time spent after first crack, in the final stage of roasting. Depending on the...
The green coffee defect we taste most often
What's a Coffee Defect? As an agricultural product, coffee seeds are subject to a certain percentage of defects. Some defects will negatively impact the flavor...
How to Read a Roast Curve
The best way to make sure you are roasting consistently is by using a data logging program and tracking your coffee through a roast curve....
Everything you need to know about Level Up
This month, on September 19 & 20, more than 100 baristas and coffee workers from around the country will join us again in Minneapolis for...
How long should you rest coffee after roasting?
When you roast coffee, the heat in the drum incinerates some of the organic compounds of coffee seeds, a process that creates carbon gas. The...
ROAST PLANNING FOR A PRODUCTIVE ROASTERY
Ever been told that you fly by the seat of your pants? The best machine operators have a knack for this. The expression is derived...
New navigation in RoastPATH hints a sign of things to come
Over the Summer, Renee and Scott were able to knock out quite a few items on our RoastPATH to-do list, and the first of those...
Dare We Say It? The Holidays are Looming
After ten consecutive days of high temperatures above 90°F in Minneapolis, we shouldn’t even be talking about the holidays. But, this week's reprieve from heat...
Scaling Roast Profiles As You Scale Coffee Roasters
In November of 2024 I wrote “How to Scale from a 6KG to a 20KG,” to act as a resource to transfer roast profiles. We...
In the Know: Newsletters from outside the coffee world
When your goal is to start a coffee company, you first have to learn everything about coffee. Becoming a "subject matter expert" on origins, flavors,...
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