1/3 c. peanut butter
1/3 c. light corn syrup
2 c. Rice Krispies cereal
1 qt. ice cream, softened

Mix peanut butter and syrup in a bowl. Add Rice Krispies and stir until cereal is coated. Press mixture into a 9 inch pie plate. Chill until firm. Fill shell with softened ice cream, about 1 quart and put into freezer. At serving time, top with fruit or chocolate syrup and nuts.