1 graham cracker crust (9 inch)
1 pkg. (8 oz.) cream cheese
1/3 c. sugar
1 c. sour cream
2 tsp. vanilla
1 (8 oz.) container frozen whipped topping
Fresh strawberries for garnish

Beat cheese until smooth. Gradually beat in sugar. Blend in sour cream and vanilla. Fold in whipped topping, blending well. Spoon into crust. Chill until set, at least 4 hours. Garnish with strawberries if desired.