1 1/2 cups white sugar
1/2 cup milk
1 (14 ounce) can sour cream
1 (12 ounce) container frozen whipped topping, thawed
In a large glass or metal mixing bowl, puree the sugar, milk and sour cream. Beat well and refrigerate until ready to serve.
For filling, whip the whipped topping until stiff peaks form. Fold whip into sauce and serve.