1/2 pt. sour cream
1 (8 oz.) Cool Whip
1 tsp. vanilla
1/3 c. sugar
1 (8 oz.) pkg. cream cheese
1 graham cracker crust

Cream together sugar, cream cheese and vanilla; fold in Cool Whip. Pour into graham cracker crust. Chill before serving. Top with cherry, strawberry or blueberry pie filling just before serving. Quick and delicious.