1/2 c. brown sugar
1/2 c. soft butter
1/2 c. peanut butter
1 c. flour

Beat until fluffy. Add flour. Bake at 350 degrees for 10 minutes. Cool. 1/2 c. sugar 1 tsp. vanilla 1/4 c. peanut butter 2 eggs 2 c. Cool Whip

Mix cream cheese, sugar, vanilla and peanut butter together. Add eggs, one at a time. Fold in Cool Whip. Pour into crust. Melt 6 ounces chocolate chips. Drizzle over top of filling. Cut through to marble. Freeze. Remove 15 minutes before serving.