1 1/2 c. cold half and half
1 pkg. chocolate flavored instant pudding mix
3 1/2 c. (8 oz.) Cool Whip
1 c. chopped peanut butter cups
1 packaged chocolate crumb crust

Mix half and half with pudding using a wire whisk for 1 minute, then let stand 5 minutes. Fold in whipped topping and candies. Spoon into crust. Freeze until firm, 6 hours. Thaw for 5 minutes before serving.