Pig Cake

Name: Pig Cake
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American
Ingredients: 1 box (18.25 Oz. Box) Yellow Cake Mix; 1 stick Margarine, Softened; 1 can (14 Oz. Can) Mandarin Oranges, Drained, 1/2 Cup Juice Reserved; 4 whole Eggs; 1 tsp. Vanilla Extract; _____; 1 package (4 Oz. Box) Vanilla Instant Pudding Mix; 1 can (20 Oz. Can) Crushed Pineapple, Juice Reserved; 1/2 c. Powdered Sugar; 4 oz. fluid Frozen Whipped Topping (such As Cool Whip); Extra Mandarin Orange Slices, For Garnish