Whole oat kernels, referred to as groats, which have been sliced and flattened into flakes by steel rollers. They are also referred to as old-fashioned oats. Rolled oats, which are steamed and then flattened, are eaten as a hot cereal, eaten cold as in muesli, and are used in baked goods, such as cookies, breads and bars. Although the term rolled is most often associated with oats, it also applies to other kernel types of grain, such as Kamut, rye, spelt, and wheat.