111 oz can mandarin oranges, undrained(save some for garnish)
Topping/Filling
1pkginstant vanilla pudding(5 oz)
1cancrushed pineapple, undrained(20 oz)
116 oz container whipped topping(such as Cool Whip)
Instructions
Preheat oven to 350 F / 177 C / gas mark 4. Grease and flour (or use parchment paper to line) three 8" or two 9" cake pans.
Using a stand mixer or hand mixer, in a large bowl, combine cake mix, softened butter, eggs, and mandarin oranges (with juice) on medium speed for about 2-3 minutes until thoroughly combined. Distribute evenly between cake pans.
Bake at 350 for about 20-25 minutes, or until toothpick inserted into center comes clean. Do not over bake! The cakes are supposed to be moist.
Let cakes cool in the pans for about 10 minutes, then remove from pans and let cool completely on wire racks.
While cakes are cooling, combine pudding mix with crushed pineapple (with juice) in a large bowl. Fold in whipped topping.
When cakes are COMPLETELY cool, frost with topping mixture. garnish with reserved mandarin oranges. Cover and place in refrigerator for several hours to overnight to set.