Corn flakes, or cornflakes, are a breakfast cereal made from toasting flakes of corn (maize). Originally invented as a breakfast food to counter indigestion, it has become a popular food item in the American diet.
Kellogg's Corn Flakes, with milk
Advertisement for Kellogg's Toasted Corn Flakes from the July 21, 1910 issue of Life magazine
A newspaper advertisement for Kellogg's Toasted Corn Flakes in 1919
Corn flakes with milk
Breakfast cereal is a breakfast food made from processed cereal grains. It is traditionally eaten as part of breakfast, or a snack food, primarily in Western societies.
Flaked breakfast cereal may be served in milk and topped with fruit such as raspberries.
A Quaker Oats advertisement circa 1900
1910 Kellogg's Corn Flakes advertisement
Breakfast cereals primarily marketed to children, such as Froot Loops, are commonly brightly colored and high in sugar.