Coffee Guide — Posts — Blue Bottle Coffee Lab

Leading Toward a New Era in Coffee

Blue Bottle Sponsors Pre-Commercial Trial Site for New Coffee Varieties
Audrey Waldrop — October 27, 2025

Brew Theory: Extraction, Strength, and Finding the Sweet Spot for Pour Over Coffee

The “why” behind our brew method
Tom Purtill — June 21, 2023

Tasting Towards the Future with WCR

A cupping journal from our Green Coffee team
Tom Purtill — September 30, 2021

Sustainable Coffee Sourcing at Blue Bottle

How data helps drive our sustainable coffee sourcing
Tom Purtill — September 1, 2021

A Conversation with Jeanine Niyonzima-Aroian

The Founder of JNP Coffee on her inclusive business model
Tom Purtill — March 25, 2021

Mayra Orellana-Powell in Conversation

Updates on Catracha Coffee Company
Tom Purtill — March 18, 2021

Aida Batlle in Conversation

Updates from the legendary producer on a hard year
Tom Purtill — March 11, 2021

Acidity in Coffee

Why It Matters
Tom Purtill — February 16, 2021

This Year’s Honduran Single Origins

Coffees to drink every single day
Tom Purtill — February 3, 2021

How to Brew Large Batches of Coffee

For those times when you want to brew enough coffee to share or drink throughout the morning, we recommend using an eight-cup Chemex or an eight-cup French press.
Tom Purtill — December 22, 2020

The Craft of Blends

Why we love our comforting blends and how we make them
Tom Purtill — December 15, 2020

Celebrating Innovation with our Costa Rica Coffee Set

Blue Bottle gives back to World Coffee Research
Tom Purtill — November 25, 2020

Costa Rica: An Origin of Micromills

Tom Purtill — November 10, 2020

Origin Spotlight: Kenya

From the Coffee Sourcing Team
Tom Purtill — October 5, 2020

Your New Oji

How to assemble and brew
Tom Purtill — September 28, 2020

Introducing Our New Cold Brew Menu

Exclusive to our Southern California cafes, now you can taste cold brew’s full range
Tom Purtill — August 19, 2020

The Blue Bottle Cold Brew Collection

The best coffee and tools for making cold brew at home
Tom Purtill — August 14, 2020

Exceedingly Rare

Coffees that rattle our expectations
Tom Purtill — July 29, 2020

Behind Our Latest Single Origin From Los Vascos

Helping our partners during harvest during COVID-19
Tom Purtill — July 18, 2020

How to Choose the Right Brew Method for You

From straightforward to geeky, 6 ways to make coffee at home
Tom Purtill — July 17, 2020