You Can’t Go Wrong with This Valentine’s Day Chocolate Mousse Cake

It’s Valentine’s Day soon and what better to celebrate than to serve a Chocolate Mousse Cake for that special day? You can’t go wrong with chocolate.

For this cake, I used a heart shaped pan from Wilton, and a 3D silicone heart mold from Silikomart. I kept the cake simple as I feel the shape of the cake and mousse is cute enough.

The cake is simple to make, so delicious, and the chocolate mousse is just heavenly.

Decorate as you wish, just before serving I placed a envelope made of marzipan and a red heart, after all, it is Valentine’s Day soon.

Enjoy and happy Valentine’s Day from me.

Chocolate Mousse Cake

What’s better to serve than a Chocolate Mousse Cake for that special day? You can’t go wrong with chocolate!
Course Desserts
Servings 20
Calories 272 kcal


  • For the chocolate cake:
  • 1 cups sugar
  • 1.75 cups all-purpose flour
  • .33 tbsp + 1 tablespoon good quality cocoa
  • .75 tsp baking powder
  • .75 tsp baking soda
  • .5 tsp salt
  • 1 large egg
  • .5 cups sour cream
  • .25 cups vegetable oil
  • 1 tsp vanilla bean paste
  • .5 cups warm coffee
  • For the Chocolate Mousse:
  • 1.5 cups heavy cream
  • 9 oz chocolate (64-70% cacao), chopped
  • 1 large egg
  • 5 egg yolks
  • 1 tsp vanilla bean paste
  • .33 cups granulated sugar


  • For the Chocolate Cake: Heat oven to 350°F. Grease and line an 8 or 9-inch heart baking pan.
  • In a large mixing bowl, add the sugar, and sift in the flour, cocoa, baking powder, baking soda, mixing with the whisk attachment whisk for one minute.
  • Stop the mixer and add egg, sour cream, oil, and vanilla bean paste and beat on medium speed for 2 minutes.
  • Stir in the warm coffee and mix for 20-30 seconds or just combine with a spatula.
  • Pour the batter into prepared pan.
  • Bake 20 to 30 minutes or until wooden pick inserted in center comes out clean.
  • Cool 10 minutes; remove from pan to wire rack, and cool completely.
  • For the Chocolate Mousse: Whip the cream to soft peaks; refrigerate.
  • Melt the chocolate in the microwave in 20 -seconds burst, stirring between each.
  • Transfer the chocolate to a large bowl and let cool to 45F°.
  • Meanwhile, whisk the egg, egg yolks, and sugar in large bowl set over a pan of simmering water, whisk continuously until the mixture thickens (this takes around 5 minutes)
  • Transfer to a mixing bowl add vanilla and whisk for 7 minutes at medium/high speed.
  • When the chocolate is 45F° fold 1/2 of the whipped cream into the melted chocolate, fold in the egg mixture, then fold in the remain whipped cream.
  • Transfer to the silicone heart mold.
  • Place the silicone mold in the freezer, freeze overnight.
  • The next day, take the frozen chocolate mousse out of the silicone mold and place it on the cooled chocolate cake.
  • Let the mousse come to room temp before serving.


Serving: 1gCalories: 272kcalCarbohydrates: 38.3gProtein: 4.3gFat: 11.9gSaturated Fat: 6.3gCholesterol: 36mgSodium: 129mgFiber: 1.4gSugar: 20.5g
Keyword Chocolate, Desserts, Valentine’s day