Once upon a time, yogurt occupied a thin sliver of the dairy aisle. Now it’s an entirely separate section of the grocery store. There are at least a dozen brands of plain yogurt, but wait! There’s more! Yogurt comes with fruit on the bottom, sprinkles on top, M&Ms mixed in, and almond butter swirled over. The choice is overwhelming, but it’s also what consumers have come to expect.

For many Americans, yogurt is a staple snack food. In other parts