Pick your favorite cereal/whatever is left in the fridge. Yeah granola totally counts as cereal.
Put in bowl.
Add whatever milk you have. Preferably not spoiled. Check for lumps and yucky smells before adding to perfectly fine cereal. In a pinch half and half and water will do the trick. Remember to go buy milk. (And love yourself. Go whole milk). You're a child of God you don't deserve that 1%.
Enjoy you, adult, you. You used a recipe and everything you're so good at this grown up thing, way to go. Give yourself a sticker.