Waking up and preparing a hot bowl of oatmeal is synonymous with a "healthy" breakfast. Whether you prefer it in the form of overnight oats, instant oatmeal, baked oatmeal, Crockpot oatmeal, Mason jar oatmeal, frozen oatmeal, or a savory oatmeal dish, oatmeal is the king of healthy breakfasts. And one of its biggest benefits is its heart-health benefits. "Oatmeal is a of soluble fiber that is good for our hearts," says Amber Pankonin, MS, RD, registered dietitian and owner of the Stirlist. In a 1/2 cup serving of…