Chocolate Mousse Crunch Cake

This Chocolate Mousse Crunch Cake is so easy to make and full of amazing flavor. It is so yummy and only requires a few simple ingredients, I know you will love.

I found this recipe at Our Best Bites and made it for my mother-in-laws birthday.  It was pretty rich, but SO good. I was surprised how easy it was to make. We’ll definitely be making this again.
I loved the little bit of crunch it had to it, and the mousse. Wow. the mousse was by far the best part of the entire cake. I could practically eat an entire pan of just the mousse, from this recipe.
If you are a chocolate lover, or know of a chocolate lover, we highly recommend sharing this recipe with them. It is so yummy and so simple to make.

could i make this cake using a DIFFERENT cake mix?

I am all about chocolate, however, you could easily switch out the chocolate cake mix for a vanilla or white.

If you use a white or vanilla cake mix, it will be very similar to our Strawberries and Cream Cake recipe.

We highly recommend giving either flavor a try because chocolate and white cake, are both delicious with this recipe.

what could i use instead of heath or toffee bits, to garnish the cake?

I feel you, I am not much of a toffee or Heath bar fanatic myself. I can’t stand the texture, but the flavor is delicious.

However, with this cake, I have found that the toffee softens a bit overtime. We like to keep this cake refrigerated, because it tastes a little yummier to us, but you could easily switch it up and garnish it with something else.

Here are a few other chocolate lovers favorites, we recommend garnishing it with:

  • Reese’s Peanut Butter Cups
  • M&M’s (mini or regular)
  • Kit Kat’s
  • Twix Bar
  • Snicker’s Bar
  • Chocolate Chips

watch how to make another one of our favorite chocolate dessert recipes, here:

Did you know we have a Youtube Channel? We have hundreds of simple and delicious recipes, your family is going to love. We take you through each recipe, step by step, and show you exactly how to make them.

This No Bake Eclair Cake is light and rich and the same time. It is so rich and creamy, you won’t be able to resist. Plus that chocolate layer on top, really adds to the chocolatey goodness. It really is like an eclair in cake form.

Watch how to make this recipe, here:

Serves: 8

Chocolate Mousse Crunch Cake

15 minPrep Time

25 minCook Time

40 minTotal Time

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  • 1 package Duncan Hines Devils Food Cake
  • 1 recipe (give or take a little) Chocolate Ganache
  • Crushed Heath bars or a bag of chocolate-covered Heath bits
  • 1 tsp. unflavored gelatin
  • 1 Tbsp. cold water
  • 2 Tbsp. boiling water (just heat it in a small bowl in your microwave)
  • 1/2 c. sugar
  • 1/4 c. unsweetened cocoa powder
  • 1 c. whipping cream
  • 1 tsp. vanilla


  1. Bake cake according to cake mix instructions in 2 8? round pans. Allow to cool and set aside. This can be done several days in advance; just freeze the cakes when you?re done.
  2. In a small bowl, combine gelatin and cold water and allow to stand for about 1 minute. While gelatin is softening, bring 2 Tbsp. water to a boil in the microwave. Whisk into the softened gelatin and allow to cool slightly.
  3. In a medium mixing bowl, combine sugar, cocoa powder, whipping cream, and vanilla. Beat with an electric mixer until medium-stiff peaks form. Mix in gelatin mixture and refrigerate for 30 minutes.
  4. Prepare ganache (if you haven?t already) according to directions.
  5. With a serrated knife, carefully slice the dome-iest part of each cake layer off so the layers are level. Place one layer on the serving plate and spread about 1/2 of the chocolate mousse over the cake. Sprinkle with Heath bits.
  6. Place second layer on top of Heath bits.
  7. Spoon ganache over the top layer, allowing it to drip down the sides.  Sprinkle with additional Heath bits and refrigerate until ready to serve.

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