Win the potluck or weeknight dessert with this light, lemony and deliciously tart cake. Mix together a lemon cake mix with vanilla pudding mix, eggs, vegetable oil, water and poppy seeds. Bake the batter and cool, then cover with lemon pie filling. Finish with a dreamy lemon pudding and whipped topping cream. Chill, slice, and pass the smiles all around. Get the recipe for Lemon Poppy Seed Dessert Cake.