Chocolate Chip Cheese Cake
["1 graham cracker crust", "1 (8 oz.) pkg. cream cheese", "1/3 c. sugar", "1 c. (1/2 pt.) sour cream", "2 tsp. vanilla", "1 (8 oz.) Cool Whip", "1 c. (6 oz.) mini-chocolate chips"]
["Beat cream cheese until smooth.", "Gradually beat in sugar. Blend in sour cream and vanilla.", "Fold in whipped topping, blending well.", "Stir in chocolate chips.", "Spoon into crust; chill until set, at least 4 hours."]
["graham cracker crust", "cream cheese", "sugar", "sour cream", "vanilla", "chocolate chips"]