1 lemon cake mix
1 lg. can blueberry filling
1 lg. box Jello vanilla pudding
1 lg. Cool Whip

Follow directions on both the cake mix box and on the pudding box. Refrigerate the pudding after making it. Bake the cake in a 13 x 9 x 2 inch cake pan. Cool. Spread vanilla pudding on top of the cake. Spread blueberry filling on top of pudding. Spread the Cool Whip over filling, then refrigerate for at least 30 minutes.