1/2 c (1 stick) butter 1 c brown sugar 1 c white sugar 1 1/2 c peanut butter 3 eggs 1 tsp vanilla 2 tsp baking soda 4 1/2 c oatmeal 12 oz semi-sweet chocolate chips 12 oz white chocolate chips
Mix ingredients in order given in a large mixing bowl.
Press into a large greased pan (approx. 9x13"😉. Bake at 350 degrees for 15-20 minutes. Do not overbake.