1 pie crust
1 (8 oz.) pkg. cream cheese, softened
1/3 c. sugar
1 c. sour cream
2 tsp. vanilla
1 (8 oz.) container frozen whipped topping, thawed
1 c. miniature chocolate chips
Whipped topping, chocolate shavings or fruit for garnish (optional)

Beat cream cheese until smooth; gradually beat in sugar. Blend in sour cream and vanilla. Fold in whipped topping, blending well. Stir in miniature chocolate chips. Spoon into crust. Chill until set, at least 4 hours. Garnish with whipped topping, chocolate shavings or fruit, if desired.