1 (18 ounce) can sour cream
1/2 cup white sugar
1/2 cup milk
1 egg, lightly beaten
1/2 cup vegetable oil
1 (3 ounce) package instant vanilla pudding mix
1 (8 ounce) container frozen whipped topping, thawed
In a small bowl, combine sour cream, sugar, milk and egg. Mix well and refrigerate until serving.
In another small bowl, combine pudding mix and whipped topping. Beat well. Serve chilled.