Oats have many uses in food. Most of the time they are rolled or crushed into oatmeal, or ground into oat flour. Oatmeal is also eaten as porridge, but may also be used in many of baked goods, such as oat cakes, oatmeal cookies, and oat bread. Oats are also an substance used in many cold cereals, in particular muesli and granola. Without cooking, oats may also be taken as food.