1/3 c. corn syrup
1/3 c. peanut butter
2 c. Rice Krispies
1 qt. vanilla ice cream

Mix corn syrup and peanut butter. Add Rice Krispies. Mix until well coated. Grease a 9 inch pie pan with butter. Press mixture evenly and firmly in pan like a pie crust. Spread ice cream in crust. Freeze.