The Brew Blog

Anaerobic fermentation coffee processes in sealed, oxygen-free tanks to produce intense, complex flavor compounds. Here's what it means for the cup.

Coffee processing is the most powerful flavor variable between harvest and roast. Here's exactly how each method shapes acidity, body, sweetness, and finish.

Carbonic maceration in coffee borrows from winemaking to trigger intracellular fermentation. Here's what the technique produces and why it matters.

Lactic fermentation in coffee produces silky, creamy cups by cultivating lactic acid bacteria during processing. Here's how it works and what to expect.

Co-fermentation adds fruit or botanicals during coffee processing to direct flavor. Here's how the controversial technique works and what it produces.

Extended fermentation keeps coffee fermenting longer to build complex flavor compounds. Here's how producers control the process and what it does to the cup.