Old postcard of a Streamliner train, locomotive and cars are yellow with green roof, on the Stone Arch Bridge in Minneapolis, with the huge flour mills in the background

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.

Listen to Rollin’ rollin’ rollin’ at Eat This Podcast.

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