Moist, delicious and turns out perfect every time. 7-UP Cake Ingredients Cake: 1 Box Yellow Cake Mix 1 small Box Instant Lemon Pudding 1 1/2 Cups 7 Up 4 Eggs 3/4 Cup Vegetable Oil Glaze: 2 Cups Powdered Sugar 1 Tbsp. Lemon Juice 2 Tbsp. Milk Instructions Cake: Preheat oven to 325F degrees. Spray 10-inch