Oat groats are used to make oat milk, which are actually hulled grains broken into fragments. Different other grains can also be used for the same. Oat milk can be used as a substitute for low-fat or fat-free milk. It is an ideal breakfast option and can be had with cereals as well. It can also be used to make smoothies, baked goodies, light cream soups, sauces, curries, etc.