CRUST:

1 pkg. graham crackers, crumbled
1 stick (1/2 c.) butter, softened
4 tbsp. sugar

FILLING:

1 (8 oz.) pkg. cream cheese
1 1/2 c. powdered sugar
1 c. peanut butter
1 c. milk
2 c. Cool Whip

CRUST: Mix all 3 ingredients and put into 9 x 13 inch pan. Press down to form crust on bottom.

FILLING: Cream well the cream cheese and powdered sugar. Add peanut butter and milk. Stir until blended. Add Cool Whip; mix well. Pour over graham cracker crust and freeze.