1 (12 oz.) pkg. chocolate pieces
2/3 c. smooth peanut butter
6 c. crispy rice cereal
1 gal. French vanilla ice cream

Melt the chocolate pieces and peanut butter together in a large pan. Add cereal. Spread on cookie sheet and cool. After the mixture is cool, break it up into small pieces. Fold in all but 1 cup of the cereal mixture with softened ice cream. Spread into a 10 inch springform pan. Use the remaining mixture to decorate as topping. Freeze.