1 (12 oz.) pkg. chocolate chips
2/3 c. peanut butter
6 c. Rice Krispie cereal
1 gal. vanilla ice cream

Melt chips and peanut butter together in large pan. Add cereal and mix. Spread on cookie sheet to cool. Break up cereal mixture into small pieces. Soften ice cream, fold in all but 1 cup of cereal mixture and spread in a 10 inch spring form pan. Use remaining cup of cereal to decorate the top. Makes 12 to 16 servings.