Making granola bars from scratch is easy to do, and so much healthier than the store-bought version. You can also customize to your tastes.
If you visit Hagrid, you will likely get offered rock cakes. While his may break your teeth, these soft biscuits are much more enjoyable.
Oatmeal Raisin is a classic cookie that is really simple to bake. This recipe yields a few dozen, so great for baking for a crowd.