BASE:

1 c. butter, softened
1 c. brown sugar
1/2 c. sugar
4 c. oatmeal

FROSTING:

1 sm. pkg. milk chocolate chips
1 c. creamy peanut butter

Cream base ingredients together and press into 13"x9" pan. Bake at 350 degrees for 10 minutes. Allow to cool 5 minutes.

FROSTING: Melt to blend, then spread on cooked base. Refrigerate until set. Slice and serve.