Which accidental discovery led to the creation of Kellogg's Corn Flakes, forever changing breakfast food packaging and marketing?

The breakfast table wasn't always dominated by cereal boxes. Before the Kellogg brothers revolutionized morning meals in the early 1900s, most Americans ate leftovers or heavy meat-based breakfasts. Their innovation not only changed dietary habits but transformed food packaging and marketing forever. This poll tests your knowledge about one of the most significant brand history developments in the food industry that shaped how millions start their day.

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Stale wheat dough that was pressed through rollers created thin, crispy flakes that stayed fresh longer than expected
Boiled wheat left overnight became moldy but dried into flakes, inspiring the brothers to try the same process with fresh grains
Cooked wheat accidentally left out became dry and flaky, which the brothers then toasted, creating the first flaked cereal
A failed attempt to make granola resulted in wheat flakes, which were initially sold as a health food to sanitarium patients