1 Duncan Hines lemon cake mix
1 sm. pkg. lemon pudding
1 (8 oz.) Cool Whip

Prepare pudding as directed on package and cool. Prepare cake mix as directed on package. Bake in tube pan. Cool completely. Cut cake into three layers. Spread pudding evenly between layers and on top of cake. Spread Cool Whip around sides and in center of cake. Keep refrigerated.