12 oz. soft diet ice cream
1 C. diet Cool Whip
1/4 C. chunky peanut butter
1 pkg. sugar-free butterscotch pudding (dry)
3 oz. Grape-Nuts Cereal

Mix first 4 ingredients in mixer, then stir in cereal. Pour into 8 inch square pan.
Cover and freeze.

Makes 4 servings