Show Notes1:55 — We recap our conversation in part 1 about why coffee matters.7:07 — Darren and March discuss Bulletproof coffee.8:40 — Darren tells the story of how he first became interested in coffee and espresso.13:22 — Ian explains the art of roasting coffee beans.18:43 — The trade-off between acidity and bitterness.20:58 — The chemistry of coffee roasting and the importance of drying out the beans.26:26 — Ian explains how different coffee roasts are defined and how roasting coffee is a little like popping popcorn.34:40 — The goal of a good coffee roaster and how they balance different flavors in the bean roasting process.37:10 — The 5 stages of roasting coffee and what happens at each stage.37:44— How sugar content is affected by the roasting process and what that means to the final flavor of the drink.39:39 — The chemistry of caramelization and the joys of a good crème brulee.43:01 — March finds some similarities between coffee roasting and aging whiskey.43:59 — March introduces his new puppy, Leonard, to the YouTube audience.47:10 — Acidity versus bitterness and how we taste the different flavors.51:05 — Acidity versus aromatics and a short diversion to reflect on the taste of crayons. 🙂54:00 — Ian previews part 3 where we do a live coffee tasting (also called a cupping).Mentions📖 Book: World Atlas of Coffee📺 Documentary: Barista📺 Documentary: Baristas📦 Product: Library of coffee aromas

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