1 graham cracker pie crust
1 (8 oz.) pkg. cream cheese, softened
1/3 c. sugar
1 c. sour cream
2 tsp. vanilla
1 (8 oz.) container whipped topping
1 c. mini chocolate chips

Beat cream cheese until smooth. Beat in sugar and blend in sour cream and vanilla. Fold in whipped topping and blend well. Stir in mini chocolate chips. Spoon into crust and chill until set.