Rolled oats are made by steaming whole oat groats (Avena sativa) and rolling them into flat flakes, shortening cooking time while retaining the bran, germ, and endosperm of the whole grain. They provide fiber, protein, vitamins, minerals, and beneficial plant compounds, including beta-glucans, the soluble fibers for which oats are particularly well known. Their mild flavor and creamy texture make them versatile for hot cereal, overnight oats, granola, baked goods, smoothies, and savory dishes. Decades of human research have made oats one of the best-studied whole grains for supporting cardiovascular health, digestive health, and healthy blood sugar regulation.