Blue Bottle Perfectly Ground

The San Francisco-based roaster debuts coffee pre-ground and portioned to brew by the cup

On a sunny day in Los Angeles, Blue Bottle founder James Freeman sits at a table near a window in his bustling, light-filled cafe. Following up on an intriguing invitation to drink coffee together, we sit down and he pulls out a box of white packets that look like they could hold tea bags. He tears one open and offers it up so that we …