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5 from 1 vote

Whoopie Pie Cake

A delicious decadent cake made easy with Boxed Cake Mix. The scrumptious marshmallow cream center brings this one home.
Course: Baking, Dessert
Cuisine: American
Author: Catherine's Plates

Equipment

  • 12 cup standard bundt pan
  • large bowl
  • medium bowl
  • electric hand mixer
  • small sauce pan & spatula

Ingredients

Cake Ingredients

  • 1 (15.25 oz) box Chocolate Fudge Cake Mix
  • 1 (3.9 oz) box Instant Chocolate Pudding Mix
  • 3/4 cup milk
  • 3/4 cup butter, melted (1 1/2 sticks)
  • 4 large eggs
  • 1 cup sour cream
  • 1 tsp vanilla extract

Marshmallow Cream Center

  • 10 TBS softened butter
  • 1 (7 oz) tub marshmallow cream
  • 1 1/2 tsp vanilla extract
  • 2 cups powdered sugar

Chocolate Frosting

  • 3 TBS heavy whipping cream
  • 1/2 cup chocolate chips

Instructions

  • Preheat oven to 350 degrees. Grease and flour a 12 cup bundt pan and set aside.

Baking Cake

  • In a large bowl, using an electric hand mixer, beat together dry cake mix, dry pudding mix, milk, melted butter, eggs, sour cream, and vanilla for 2 minutes until smooth. (Batter will be thick.)
  • Pour batter into prepared bundt pan. Bake in preheated oven for 45 minutes until sides pull away from pan, firm on top and a toothpick inserted in middle comes out clean.
    Allow to cool in pan for 10 minutes. Remove from pan and place onto a wire rack and allow to completely cool.
    Cut cake in half lengthwise and set aside.

Making Cream Filing

  • In a large bowl cream butter until smooth using electric hand mixer. Beat in marshmallow cream and vanilla until combined.
    Add in powdered sugar 1/2 cup at a time until well combined.
  • Spread cream filling evenly over bottom portion of cake. Place top portion of cake on top of filling.

Chocolate Frosting

  • In a small sauce pan heat 3 TBS heavy whipping cream to a simmer. Add in chocolate chips and stir until melted. Turn off heat.
  • Spoon frosting on cake evenly.
  • Enjoy Cake.