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Cooking. Creating. Sharing

CHOCOLATE MOUSSE CAKE RECIPE

Feb.posted by Paula 8 Comments

This post may contain affiliate links which won’t change your price but will share some commission.

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Chocolate Mousse Cake Recipe has a rich chocolate cake topped with a simple-to-make chocolate mousse that’s light and fluffy tops this sheet cake.

Chocolate Mousse Cake

My boys love homemade chocolate mousse and they’re absolute favorite cake is my Chocolate Coca Cola Cake. It was natural to combine these two for hubs birthday cake.

This cake is ideal for any celebration. It’s loaded with chocolate from top to bottom.

Chocolate Mousse Cake

Chocolate Mousse Cake Recipe

For the cake, you can make a sheet cake as I did. You could also make it in 2 or 3 layers. I used Hershey’s Special Dark Chocolate Cocoa powder and Unsweetened Cocoa powder for a double whammy of chocolate. The cake is rich and decadent.

The chocolate mousse frosting adds a cool creamy texture that compliments the dense chocolate cake layer. It’s smooth, velvety, and extraordinarily delicious.

You’ll want to refrigerate any leftovers.

Tips when making the mousse

  1. First, add mini marshmallows, chocolate, and milk to a large, heavy-bottomed saucepan or large nonstick pan.
  2. Cook, stirring constantly over low heat until all the ingredients are melted and well-combined.
  3. Nex,t remove from heat and cool to warm. Here’s the secret, if it cools completely and is really cold the chocolate will not mix well into the whipped cream. Therefore, it can be slightly warm, but definitely not refrigerator cold.
  4. For the whipped cream, in a large bowl, beat the whipping cream and vanilla together until soft peaks form. Soft peaks barely hold their shape. The peaks flop over immediately when the beaters are lifted. The whipping cream will fluff up like Cool Whip if you’re familiar with Cool Whip.
  5. Next, fold the cooled chocolate into the whipped cream. Spread the frosting over the cooled cake.
  6. Chill for at least 30 minutes before serving.
  7. Finally, refrigerate any leftovers.
Chocolate Mousse Cake

While you’re here, check out these recipes

  1. Softbatch Cream Cheese Chocolate Chocolate Chip Cookies 
  2. Dark Chocolate Brown Sugar Cookies
  3. Homemade Buttermilk Chocolate Cake
  4. Cake Mix Butterfinger Pound Cake 
Chocolate Mousse Cake

Chocolate Mousse Cake Recipe

Chocolate Mousse Cake Recipe has a rich chocolate cake topped with a simple to make chocolate mousse that's light and fluffy tops this sheet cake.
Author: Paula
5 from 5 votes
Print Pin Rate

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Prep Time: 30 minutes
Cook Time: 30 minutes
Servings: 20 servings

Ingredients

CHOCOLATE CAKE

  • 1 and ¾ cup all-purpose flour
  • 1 and ¾ cup granulated sugar
  • ½ cup unsweetened cocoa powder
  • ¼ cup dark chocolate cocoa powder Hershey's special dark chocolate cocoa powder
  • 2 teaspoons baking soda
  • 1 teaspoon baking powder
  • 1 teaspoon salt
  • 1 cup buttermilk
  • ½ cup vegetable oil
  • 2 large eggs at room temperature
  • 2 teaspoons vanilla extract
  • 1 cup hot water not boiling

CHOCOLATE MOUSSE

  • 1 and ½ cup mini marshmallows
  • 8 -ounces semisweet baking chocolate chopped
  • ½ cup milk
  • 2 cups heavy whipping cream
  • ½ teaspoon vanilla extract

Instructions

CHOCOLATE CAKE

  • Preheat oven to 350°F. Grease, or coat with Wilton cake release, a 9×13-inch baking pan.
  • In a medium bowl, whisk together flour, sugar, cocoa powder, baking soda, baking powder, and salt.
  • In a larger bowl or the bowl of an electric mixer, add buttermilk and vegetable oil. Mix. Stir in eggs one at a time.
  • Add in dry ingredients and mix until just combined. Add hot water and vanilla. Stir until just combined.
  • Pour batter into prepared baking dish. Bake 30-40 minutes, or until a wooden toothpick inserted in the center comes out clean.Cool to room temperature.

CHOCOLATE MOUSSE

  • Add mini marshmallows, chocolate, and milk to a large, heavy-bottomed saucepan. Cook, stirring constantly over low heat until melted and ingredients are well-combined.
  • Remove from heat, and cool to warm. (If it cools completely or is cold it will not mix well into the whipped cream.)
  • In a large bowl, beat whipping cream and vanilla together until soft peaks form. (Soft peaks barely hold their shape. The peaks flop over immediately when the beaters are lifted.)
  • Fold cooled chocolate into whipped cream. Spread over cooled cake. Chill for at least 30 minutes before serving. Refrigerate any leftovers.

Nutrition

Calories: 342kcal | Carbohydrates: 38g | Protein: 4g | Fat: 20g | Saturated Fat: 13g | Cholesterol: 56mg | Sodium: 263mg | Potassium: 195mg | Fiber: 2g | Sugar: 25g | Vitamin A: 416IU | Vitamin C: 1mg | Calcium: 61mg | Iron: 2mg
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As an Amazon Associate, I earn from qualifying purchases. This post contains affiliate links. If you click the link and make a purchase I will receive a small commission at no cost to you. Visit all my recommended products at Paula’s Picks on Amazon. Read my entire Privacy Policy here.

Paula
« PARSLEY HORSERADISH BUTTER
BASIL GARLIC BUTTER »

Comments

  1. Sue says

    09.20.21 at 10:16 am

    5 stars
    This cake was AWESOME!! I shared it with my neighbors and they absolute loved it! It is definitely worth way more than 5 stars!

    Reply
  2. Francine Jacobson says

    08.22.21 at 3:09 pm

    5 stars
    Very great cake..
    WE loved it enough to do it again very soon

    Reply
  3. south african shop auckland says

    12.23.20 at 7:03 am

    This is a brilliant post, thank you for sharing about chocolate mousse cake recipe. We always tend to change something or the other in our house, thanks for this great advice.

    Reply
  4. Kippi says

    02.17.20 at 10:57 am

    5 stars
    Yum, this is an amazing looking cake! My clan would love it. Pinning!
    Have a great week,
    Kippi

    Reply
  5. marvina Rose johnson says

    02.03.20 at 5:38 pm

    I will make this as soon as I buy buttermilk. However, can this be made in a Bundt pan?

    Reply
    • Paula says

      02.06.20 at 9:00 am

      yes

      Reply

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