1 can vanilla frosting
1 box yellow cake mix
1 pkg. peanut butter filled cookies
1 c. peanut butter
Milk
1 tsp. vanilla

Mix cake mix according to box. Crumble cookies up in cake mix and bake until firm or toothpick in center comes out clean. Mix together frosting, peanut butter, vanilla and milk until it is of spreading consistency. Ice cake while slightly warm.