Oatmeal is a go-to diet staple, thanks to filling (and belly-flattening!) fiber and hearty whole grains. There are so many ways to prep it for a quick breakfast, but sometimes it's nice to break out and try something new. Like oatmeal, more adventurous options, like wheat berries and rolled barley, are easy to make and keep you full. Try one of these four oatmeal alternatives to amp up your a.m. meal.