Angel food cake mix
Low fat milk for pudding
1 box instant lemon pudding
1 lemon yogurt
1 Cool Whip

Bake Angel Food cake mix according to directions. Cool and remove from pan. Split cake into 3 layers (electric knife works great). Fill 2 layers with pudding and yogurt mixed together. Frost top and sides with Cool Whip. Decorate top with lemon slices.