1 (3 oz.) pkg. cream cheese
1 c. confectioners' sugar
1/3 c. milk
1/3 c. peanut butter
1 tsp. vanilla
1 (9 oz.) container Cool Whip
1 (9") graham cracker crust

Cream together first 4 ingredients. Add vanilla and fold in Cool Whip. Pour into crust and freeze. Serves 6 to 8.