Heavenly Cream Cake

• 3 prepared fat-free vanilla
• 3 equal horizontal layers
• 2 layers
• 1 5/8 containers of pudding on the bottom layer
• 1 3/8 containers puddin top with remaining layer
• 1/2 stick
• 1,400 ml saucepan
• 300 gr powdered sugar
• 60 ml milk
• 55 gr margarine