1 box of yellow cake mix
2 eggs
1/2 c. oil

Mix all ingredients together. Roll into small balls or press out in biscuit pan for bar cookies. Bake at 350 degrees for 10-12 minutes. For peanut butter cookies, add 1 cup peanut butter and 2 tablespoons of water to the yellow cake mix, eggs and oil. To make cookies different just change the cake mix.