1 banana, frozen
1 tsp. unsweetened cocoa powder
1/2 cup raw oats (uncooked)
Milk, soy, almond milk... Whatever is your dairy-type drink of choice.
Toss banana, cocoa and oats into a blender, add enough milk to cover ingredients (I guesstimate a cup or so). Blend until smooth.
If you consume protein powder, this is an excellent way to incorporate it into your breakfast. Easy to take on the go, the oatmeal will keep you full for hours. You can also add a few almonds or a bit of peanut butter if you'd like some extra protein, but keep an eye on the portion-size.