1 1/2 c. vanilla ice milk
1 sm. pkg. sugar free pudding, chocolate or butterscotch
3 tbsp. peanut butter
4 oz. Grapenuts cereal

Measure out ice milk, leave at room temperature. Add rest of ingredients one step at a time. Mixing well, put in an 8"x8" pan. Put in freezer for 20 minutes. Cut into squares.