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Hot Chocolate Dump Cake with Pudding

An easy Hot Chocolate Dump Cake loaded with chocolate, marshmallows, and cozy cocoa flavor is perfect served warm with whipped cream!
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Servings: 12 servings
Calories: 463kcal
Author: Lucy Brewer

Ingredients

  • 1 box 3.9-ounce chocolate instant pudding mix
  • 1 envelope hot cocoa mix
  • 2 ½ cups whole milk
  • 1 box 15.25-ounce Chocolate Fudge Cake Mix
  • 4 cups mini marshmallows, divided
  • ½ cup semi-sweet chocolate chips
  • ½ cup milk chocolate chips
  • 2 cups whipped cream
  • 1 cup hot fudge sauce, heated

Instructions

  • Preheat the oven to 350 degrees F. Grease a 9x13-inch baking dish. Set aside.
  • To a bowl, add 1 box 3.9-ounce chocolate instant pudding mix, 1 envelope hot cocoa mix, and 2 1/2 cups whole milk.
    A mixing bowl with cake mix, eggs, and liquid ingredients surrounded by bowls of chocolate chips, sour cream, and an electric mixer on a white surface.
  • Whisk on medium speed until combined.
    A bowl of chocolate cake batter surrounded by chocolate chips, sour cream, a hand mixer with chocolate on the beaters, and baking ingredient packets on a white surface.
  • Add 1 box 15.25-ounce Chocolate Fudge Cake Mix (do not include the additional ingredients listed on the box: eggs, oil, water). Stir with a spatula until combined.
    A mixing bowl with dry chocolate cake mix, surrounded by chocolate chips, whipped topping, electric mixer beaters, and packets on a white surface.
  • Add 2 cups of the marshmallows. Fold until the marshmallows are distributed throughout.
    A bowl of chocolate batter topped with mini marshmallows, surrounded by bowls of chocolate chips, whipped topping, and chocolate spread, with a mixer and a packet nearby.
  • Transfer the batter to the greased baking dish.
    A white baking dish filled with chocolate brownie batter, surrounded by bowls of chocolate chips, chocolate sauce, and cream on a white surface.
  • Sprinkle ½ cup semi-sweet chocolate chips and ½ cup milk chocolate chips on top. Bake for 30 minutes or until a toothpick comes out clean. Turn the oven off and remove the dish.
  • Add the remainder of the marshmallows on top and place back in the oven for 5 minutes.
    A rectangular baking dish filled with chocolate brownies topped with mini marshmallows, next to bowls of chocolate chips, frosting, and whipped cream.
  • Place the baking dish on a wire rack to cool until you are ready to serve.
    A baked chocolate dessert in a white rectangular dish topped with mini marshmallows and chocolate chips, surrounded by Christmas-themed decorations.
  • Top with whipped cream, heated chocolate fudge sauce, and more chocolate chips if you like.
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