Rolled Oats are a source of whole grains, which means they come packed with a bunch of beneficial nutrients including fiber, B vitamins, vitamin E, minerals, healthy fats and antioxidants. While they take the longer time to cook, the texture will be better compare to Instant Oat. Oats are commonly eaten for breakfast as oatmeal, which is made by boiling oats in water and milk or soak with yogurt and fruits.