I changed the name of this cake to Sunshine Cake because that's the name this cake deserves. It tastes fresh, light and tropical.
sunshine cake (allrecipes.com)
1 (18.25 ounce) package yellow cake mix
1 cup vegetable oil
1 (11 ounce) can mandarin orange segments
1 (8 ounce) container frozen whipped topping, thawed
1 (20 ounce) can crushed pineapple with juice
1 (3.5 ounce) package instant vanilla pudding mix
Preheat oven to 350 degrees. Grease and flour a 9x13 pan.
In a large bowl, combine cake mix, eggs, oil and mandarin oranges with juice. Beat until smooth. Pour batter into prepared pan.
Bake in preheated oven for 35-40 minutes or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
To make the topping, in a large bowl beat together whipped topping, pineapple with juice and dry pudding mix until well blended. Spread on cake.