Corn flakes and cereals are primarily made from grains, typically corn or wheat. Here's a breakdown of their ingredients:   1. Grains: Corn Flakes: Made from corn, which is first cooked, then flattened into flakes.   Cereals: Can be made from a variety of grains, including corn, wheat, oats, rice, and barley. They are often processed into flakes, puffs, or other shapes.   2. Other Ingredients: Sugar: Added for sweetness.   Salt: For flavor enhancement. Flavorings: Can include chocolate, fruits, nuts, or other additives for taste. Preservatives: To extend shelf life. Variations: Some cereals are made with whole grains, while others are made with refined grains.   There are also variations like puffed cereals, granola, and muesli, which may include additional ingredients like nuts, seeds, and dried fruit.