Coffee Journal

The Maillard Reaction, First Crack, and Development Time: A Deep Dive

The Maillard reaction builds coffee's flavor. First crack signals its structural transformation. Development time determines the final character. Understanding all three changes everything.

Light vs. Medium vs. Dark Roast: Which Brings Out Kenya's Best?

Dark roast erases Kenya. Light roast shows its promise without fully delivering it. Medium roast is where Kenya AA is most fully, completely itself and here's the proof.

How We Developed Our Kenyan Roast Profile at First Light

Every bag of First Light Kenya AA is the result of sample roasts, blind cuppings, data files, and careful iteration. Here's exactly how we found and locked in our profile.

What Happens Inside a Coffee Roaster: The Science of Turning Green Beans Into Gold

Green coffee is grassy, dense, and unpalatable. In 8-15 minutes inside a roasting drum, hundreds of chemical reactions transform it into one of the most complex aromas in food.