08The roastery

From green to cup.

A closer look at the steps that turn carefully selected green coffee into a finished cup.

The journey

Green Coffee

Roast profile

An illustrative roast timeline, not live Grams batch data. Temperatures and times vary with each coffee and roast.

0:00 · 200°C

Green beans enter the drum

1:30 · 95°C

Bean temp equalizes with drum

4:30 · 150°C

Moisture leaves the bean, color shifts to yellow

7:00 · 170°C

Aromas build, beans expand and brown

9:30 · 196°C

Audible pop — development begins

11:00 · 205°C

Sugars caramelize, acidity softens

11:45 · 210°C

Beans released to cool