It was probably discovered by accident when bread dough was left out and good microorganisms wild yeast drifted into the mix.

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Dumont's house are expected to stay for a meal, often what she calls "Indian tacos, " made from deep-fried bread dough, hamburger, sour cream, raw onions, tomatoes and black olives.

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Gluten is the hunk of proteins that turns a ball of crumbling dough into an elastic, yummy ball of bread-to-be.

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The son writes that every miner's cabin had a "tin full of fermented dough, used in place of yeast in making bread, biscuits and flapjacks" hanging over the hot stove.

NPR: Sourdough: More than a Bread

The pizza dough cooked with DDG was firm and chewy, the bread had a nutty flavor but fell apart easily, and the chapati held up to the challenge of scooping stewed chickpeas.

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