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Home » Recipes » Cake Recipes

Chocolate Cake with Strawberry Mousse Filling

Published: Jan 26, 2022 by Chef Dennis Littley

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The first time I made my 4-Layer Chocolate Cake with Strawberry Mousse Filling, it was a Valentine’s Day treat for my wife.

slice of chocolate cake on a white plate with a strawberry


 

But it’s such a delicious and easy-to-make cake it’s made appearances for friends and family throughout the year.

whole chocolate cake frosted and topped with chocolate chips on a platter

Wouldn’t this cake be a great way to say I love you? Even if you just make it for yourself, self-love is a good thing!

Table of Contents:
  • Ingredients to make a chocolate cake with a strawberry mousse filling
  • How do I make a Chocolate Cake?
  • How do I make strawberry mousse?
  • How do I make Chocolate Mascarpone Frosting?
  • Recipe FAQ’s:
  • More Cake Recipes You’ll Love!
  • Recipe: Chocolate Valentines Day Cake

Ingredients to make a chocolate cake with a strawberry mousse filling

ingredients to make a chocolate cake, frosting and filling

Let’s start by gathering the ingredients we need to make my chocolate cake with a strawberry mousse filling. In Chef Speak, this is called the “Mise en Place” which translates to “Everything in its Place”.

Not only does setting your ingredients up ahead of time speed up the cooking process, it also helps ensure you have everything you need to make the dish.

How do I make a Chocolate Cake?

Start by preheating your oven to 350 degrees F. and prepare four cake pans using parchment circles in the bottom of each pan and lightly coat the sides and parchment with butter.

*I use 9-inch cake pans for all my cakes.

four images showing to begin making the chocolate cake
  • Blend the flour, salt, baking soda, cocoa and sugar together, set aside
  • In the bowl of your mixer, whip softened butter and yogurt together (make sure all of your wet ingredients, including the eggs, are at room temperature).
four images showing how to finish making the chocolate cake
  • Add the eggs one at a time, fully incorporating them before adding another.
  • Scrape down your bowl in between each addition.
  • Add vanilla and mix until blended.
  • Add the dry ingredients and mix just enough to blend them into the wet ingredients.
two images showing unbaked and baked chocolate cake layer
  • Divide the cake batter between 4 cake pans, spreading the batter evenly using an offset spatula.
  • Bake the layers for 20-25 minutes or until a toothpick inserted in the center comes out clean.
  • Let the layers cool on a wire rack for 10 minutes, then remove them from the pan to continue cooling.

How do I make strawberry mousse?

To begin, start by sprinkling the gelatin over ¼ cup of water in a small bowl and let it sit for 5 minutes.

four images showing how to make strawberry mousse
  • Add the strawberries and sugar to the bowl of a food processor.
  • Puree the strawberries and sugar until smooth.
  • Transfer strawberry mixture to a small saucepan and bring to a boil over medium-high heat.
  • Remove from heat, and add the gelatin mixture to the strawberry mixture, stirring constantly until the gelatin dissolves.

*Cover and chill the strawberry mixture until slightly thickened, about 30 minutes. Stir the mixture every 10 minutes to keep it smooth.

four images showing how to finish making strawberry mousse
  • Whip cream at low speed until foamy; gradually increase speed to medium-high, and beat until soft peaks form.
  • Fold whipped cream into strawberry mixture until well blended.
  • Cover and chill for 30 minutes or until the mixture has firmed up enough to be used as filling.

How do I make Chocolate Mascarpone Frosting?

four images showing how to make chocolate frosting
  • In a double boiler, melt the chocolate and set aside.
  • Add Mascarpone to a large bowl and beat with ⅓ of the confectioner’s beating until smooth.
  • Continue adding the remainder of the 10x sugar in two additions beating until smooth.
four images showing the next steps in making chocolate frosting
  • When all the confectioner’s sugar has been incorporated, add the vanilla extract.
  • Gradually add the melted chocolate to the mixture
  • Whip the frosting until light and fluffy
two images showing how to frost the cake
  • Begin frosting the cake as soon as the chocolate mascarpone frosting is finished. If you wait or refrigerate the frosting, it will set and be hard to work with.
  • Frost the entire cake and garnish with chocolate chips.

If the frosting sets before you can use it, rewhip until fluffy.

grouping of slices of chocolate cake on white plates

Can’t you picture this on your table? Whether you make it for your significant other or a gathering of friends, it’s sure to be a hit!

slice of chocolate cake on a white plate with a fork cutting a piece out of the cake

This cake was as good as it looks. The strawberry mousse was light and flavorful and offered enough of a distraction from the chocolate to keep the flavors balanced.

Recipe FAQ’s:

Can I make Chocolate Frosting with Cream Cheese?

Yes, you can. Cream cheese can be substituted in the frosting recipe. I prefer the creamier texture and less pronounced flavor of mascarpone to cream cheese, but they are easily substituted.

Can I use other fruit to make the mousse filling for the cake?

Yes, you can. Raspberries or blackberries would make a delicious mousse filling, but you would want to strain the seeds out of the pureed fruit before making the mousse.
You could also make a white chocolate mousse to use as a filling.

Can I make this a two or three-layer cake?

Yes, you can. Just divide the batter between the number of pans you want to use. You will have to adjust to a longer cooking time depending on how much batter you use in each pan.

Can I make a thicker mousse filling between the cake layers?

Yes, you can. Make one and one-half times the recipe to make a thicker layer of strawberry mousse filling.

More Cake Recipes You’ll Love!

  • slice of chocolate mousse cake being taken out of whole cake
    Best Chocolate Mousse Cake
  • slice of hummingbird cake on a plate with a fork
    Hummingbird Cake Recipe
  • whole pomegranate mousse cake sliced with slice out on a plate in the foreground
    Ultimate Pomegranate Mousse Cake Recipe
  • slice of cannoli cake on a spatula being taken out of the whole cake
    Best Cannoli Cake Recipe

slice of cake on a spatula being taken out of the whole cake

Chocolate Valentines Day Cake

Chef Dennis Littley
You don’t have to wait for Valentines Day to make this Chocolate Cake with strawberry mousse.  But it would make the perfect dessert to say I love you!
4.79 from 56 votes
Print Recipe Pin Recipe
Prep Time 45 minutes mins
Cook Time 25 minutes mins
Total Time 1 hour hr 10 minutes mins
Course Dessert
Cuisine American
Servings 16
Calories 697 kcal

Ingredients
 
 

Chocolate Cake

  • 2 ⅔ cup all purpose flour
  • 2 cups granulated sugar
  • 8 oz unsalted butter softened
  • ¾ cup unsweetened cocoa
  • 1 cup Greek yogurt
  • 2 teaspoons baking soda
  • ¼ teaspoon salt
  • 1 ½ teaspoon vanilla
  • 3 large eggs

Strawberry Mousse Filling

  • 1 cup heavy cream
  • 2 cups strawberries fresh or frozen
  • ½ cup graulated sugar
  • 1 envelope Knox unflavored gelatin

Chocolate Mascarpone Frosting

  • 4 ounces semi sweet chocolate chopped
  • 16 ounces Mascarpone
  • 4 cups 500 g confectioner’s sugar
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract
  • ½ cup mini chocolate chips to garnish top of cake

Instructions
 

Chocolate Cake

  • Prepare 4 cake pans using parchment circles in the bottom of each pan and lightly coating the sides and paper with butter. I use 9 inch round cakes pans.
  • Preheat oven to 350
  • Blend flour, salt, baking soda, cocoa and sugar together, set aside
  • Make sure all of your wet ingredients are at room temperature.
  • In the bowl of your mixer whip softened butter and yogurt together .
  • Add the eggs one at a time fully incorporating before adding another, and remember to scrape down your bowl in between each addition.
  • Add vanilla and mix until blended
  • Add the dry ingredients and mix just enough to blend them into the wet ingredients.
  • Divide between 4 cake pans,spreading batter evenly using an offset spatula
  • Bake 20-25 minutes or until a toothpick inserted in the center comes out clean
  • Cool on wire rack for 10 minutes then remove from pan to continue cooling.

Strawberry Mousse

  • Sprinkle gelatin over ¼ cup water in a small bowl and let stand 5 minutes.
  • In a food processor, puree 2 cups sliced strawberries and ½ cup granulated sugar until smooth.
  • Transfer strawberry mixture to a small saucepan; bring to a boil over medium-high heat. Remove from heat, and add gelatin water mixture to strawberry mixture, stirring constantly until gelatin dissolves.
  • Cover and chill until slightly thickened about 30 minutes, stir the mixture every 10 minutes
  • Whip cream at low speed until foamy; gradually increase speed to medium-high, and beat until soft peaks form.
  • Fold whipped cream into strawberry mixture until well blended. Cover and chill 30 minutes or just until mixture has thickened enough to be used as filling
  • Spread about 1 cup Strawberry Mousse between each cake layer, cover and chill 3 hours or until mousse is set.

Chocolate Mascarpone Frosting

  • In a double boiler melt chocolate, set aside.
  • Add Mascarpone to a large bowl and beat with confectioner’s sugar in three additions until smooth.
  • Add vanilla and gradually add the melted chocolate.
  • Whip frosting until light and fluffy and frost cake immediately, before chocolate can set.
  • Sprinkle mini chocolate chips on top of cake.
  • Refrigerate cake until serving, but allow it to stand at room temperature for 30 minutes before serving.

Video

Nutrition

Calories: 697kcalCarbohydrates: 89gProtein: 8gFat: 35gSaturated Fat: 21gCholesterol: 100mgSodium: 214mgPotassium: 205mgFiber: 3gSugar: 67gVitamin A: 1000IUVitamin C: 10.6mgCalcium: 88mgIron: 2.3mg
Tried this recipe? Pin it for Later!Mention @askchefdennis or tag #askchefdennis!

Comments

    4.79 from 56 votes (27 ratings without comment)

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    Recipe Rating




  1. Sue says

    March 05, 2024 at 9:39 pm

    Hi,

    Can I make the strawberry mousse ahead of time, 1 day before decorating and 2 days before the event?

    Thanks!

    Reply
    • Chef Dennis Littley says

      March 06, 2024 at 7:17 am

      Yes, you can. It may need to be rewhipped a little before using.

      Reply
  2. Sharon says

    February 14, 2024 at 6:50 pm

    Can I substitute sour cream for the Greek yogurt?

    Reply
    • Chef Dennis Littley says

      February 14, 2024 at 8:08 pm

      Yes you can

      Reply
  3. Anna says

    December 30, 2022 at 4:36 am

    Hi Chef. Can I substitute frozen strawberries for fresh ones? If yes, what adjustments in the recipe and/or procedure do I make? Thank you very much.

    Reply
    • Chef Dennis Littley says

      December 30, 2022 at 12:37 pm

      You can make an even swap with the frozen berries, let them defrost a little before measuring, so you get a full measure. No adjustments are necessary.

      Reply
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My name is Chef Dennis Littley, creator and owner of Ask Chef Dennis Productions. As a classically trained chef with 40+ years of experience in the kitchen, I share my time-tested recipes, knowledge, and chef tips to help you create easy-to-make restaurant-quality meals in your home kitchen.

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