Mom's Mandarin Orange Cake recipe with vanilla pudding, cool whip and mandarin oranges has been served at hundreds of family get togethers and church picnics!
Grease a 9x13 cake pan using non stick cooking spray. Set aside.
Using a large bowl and hand mixer or stand mixer fitted with a paddle attachment, mix together oil, cake mix and eggs until well combined, about 2 minutes
Using a rubber spatula, gently fold the mandarin oranges into the cake batter.
Pour batter into your prepared cake pan.
Bake at 350 degrees for 30 minutes or until a toothpick or cake tester inserted in the center of the cake comes out clean or with crumbs. Let the cake cool completely.
TO MAKE THE FROSTING
In a medium bowl, combine Cool whip and dry pudding mix. Beat until blended. Add pineapple and fold in using a rubber spatula. Frost cake and refrigerate. Cut into squares to serve.