1 c. crunchy peanut butter
3 c. graham cracker crumbs
1 c. sugar
1/2 c. butter, softened
1 qt. vanilla ice cream
1 qt. chocolate ice cream

Combine peanut butter, graham crackers, sugar and butter. Press half of mixture into 9"x13" pan. Slice and place ice cream and layer at a time, spread smooth in pan. Top with remaining crumb mixture. Freeze.