Verda's Pineapple Cake

Take 1 yellow cake mix and mix as directed. Bake in two sheet pans 9 x 13 for 12 - 15 minutes. Take one 6 oz cream cheese, mix with 1 large pkg of instant pineapple cream pudding m,ix and 4 cups milk. Spread mixture on top of cooled cake. Top with well drained crushed pineapple (you might want to use one can per cake. Top with cool whip. This is best made the day before . Store in fridge. Also can be frozen.