Stone mills served us well in the business of turning grain into flour for thousands of years, but they couldn’t keep up with either population growth or new and better wheat. The roller mill came about through a succession of small inventions and the deep pockets of a few visionary entrepreneurs. They turned Minneapolis into the flour capital of the world.

In case you think my account was oversimplified …

Diagram from Wheat Foods Council.

Like it? You can support the show directly or via Patreon.