1 (4 oz.) pkg. Jello instant pudding and pie filling, any flavor
1/4 c. confectioners' sugar
1 c. cold milk
1 (8 oz.) container Cool Whip

Combine pudding mix, sugar, and milk in small bowl. Beat slowly with mixer until well blended (about 1 minute). Fold in whipped topping. Spread on cake. (Enough for two 9-inch layers).