1 (8 oz.) pkg. cream cheese
1 (8 oz.) Cool Whip
1 c. mini chocolate chips
1 butter graham cracker pie crust
1/3 c. sugar
1 c. sour cream
2 tsp. vanilla

Beat together cream cheese, sugar and add sour cream and vanilla. Fold in 1 (8 oz.) Cool Whip then add 1 cup mini chocolate chips. Pour into 1 buttered graham cracker pie crust. Refrigerate 2 hours.