This is a pre-prep style recipe. Instead of buying brownie mix at the store, you can make your own, for about 30 cents.
1 Cup Sugar
1/2 Cup Flour
1/3 Cup Cocoa
1/4 tsp Salt
1/4 tsp Baking Powder
Store in an air-tight container, such as a jar or ziplock bag.
Combine 2 Eggs
1/2 Cup Apple Sauce (or oil)
1 tsp Vanilla
Bake for 20 minutes at 350 in a 9×9 pan.
Edit: These brownies are much improved with the addition of chocolate chips into the mix.