1 (4 oz.) pkg. instant chocolate pudding
12 oz. Weight Watchers vanilla ice cream
1 c. Cool Whip
1/4 c. crunchy peanut butter
2/3 c. Grape Nuts

Soften Cool Whip and ice cream, stir together. Add rest of ingredients. Mix. Use 8x8 inch pan. Cut in 8 pieces. Serve with Cool Whip and a cherry on top.