Decadent and delicious Chocolate Mousse Cheesecake with an Oreo cookie crust, cheesecake filling, chocolate mousse, and topped with chocolate ganache.

Chocolate mousse cheesecake with an oreo crust, a cheesecake layer topped with chocolate mousse and chocolate ganache.

There’s no question about it; if you’re a chocolate lover, you MUST make this Chocolate Mousse Cheesecake. Make it for the holidays. Make it for a birthday. Make it for your coworkers. Just find an excuse to make it!

After one bite of this delicious dessert my husband declared it his new birthday cake request.  It’s rich, decadent, and insanely delicious.

The recipe starts with a simple homemade Oreo crust.

Put 24 whole Oreo cookies into a food processor (or use a ziplock bag and a rolling pin) and pulse them into crumbs. Mix the cookie crumbs with melted butter and press everything into a pie plate to make a crust.

No need to bake it at this point–just put it in the fridge while you make the cheesecake filling.

Process photos of preparing a chocolate mousse cheesecake with the top photo showing a baked cheesecake with oreo crust in a pie dish and the next with chocolate mousse on top of the cheesecake.

The cheesecake filling consists of simple ingredients and comes together easily. Spread the smooth filling into your Oreo crust and bake the cheesecake until the edges are set and the center is slightly firm (it can be a little soft, just not jiggly). It will set up even more as it cools.

Chocolate mousse cheesecake with ganache being poured on top.

Once the cheesecake is completely cooled, add a layer of chocolate mouse,  and then a simple chocolate ganache on top.

There are multiple steps to this recipe, but each are simple.

A slice missing from a round pie dish of chocolate mousse cheesecake.

Make ahead tips:

This is a great recipe to make in steps, if you don’t want to do it all in one day, or you can make the entire cake 1-3 days in advance and store it in the fridge.

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Recipe

Chocolate Mousse Cheesecake from TastesBetterFromScratch.com
Prep 2 hrs
Cook 55 mins
Total 2 hrs 55 mins
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Ingredients
  

For the Oreo Crust

  • 24 Oreo cookies
  • 5 Tablespoons butter , melted

For the Cheesecake Filling

  • 8 ounces cream cheese , softened
  • 1/2 cup granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 1 teaspoon vanilla extract
  • 1 cup sour cream

For the Mousse

  • 1 cup heavy whipping cream , divided
  • 2 large egg yolks
  • 1/2 cup semi-sweet chocolate chips

For the Ganache

  • 1/2 cup semi-sweet chocolate chips
  • 4 Tablespoons butter
  • 1/4 cup heavy whipping cream
  • 1/2 teaspoon vanilla extract
  • 1 Tablespoon powdered sugar

Instructions
 

  • Preheat the oven to 325 degrees F.

For the Oreo Crust:

  • Place Oreo cookies in a food processor and pulse until small crumbs. Stir in the melted butter. 
  • Press the mixture into a deep dish 9-inch pie plate, covering the bottom and up the sides of the dish. Refrigerate while you make the filling.

For the Cheesecake Filling:

  • Cream together the softened cream cheese and granulated sugar until well blended. 
  • Add the egg, egg yolk, and vanilla and mix. Blend in the sour cream.
  • Spread the filling over the Oreo cookie crust in an even layer. 
  • Bake at 325 degrees F for 40-45 minutes, or until the edges are set and the center is slightly firm (it can be a little soft, just not jiggly). Remove from oven and allow to cool completely.

For the Chocolate Mousse:

  • Heat ½ cup cream in a small saucepan until just simmering. 
  • Whisk the egg yolks together in a small bowl. Add a big spoonful of the hot cream into the egg yolks and continue whisking until combined. Repeat with another spoonful of hot cream, whisking well to combine. 
  • Pour the tempered egg yolks into the saucepan with the remaining hot cream, whisking constantly over medium-low heat, and cook until the mixture bubbles and thickens, 1-2 minutes. 
  • Remove from the heat and stir in the chocolate chips, stirring constantly until the chocolate is completely melted and the mixture is smooth. 
  • Allow mixture to cool to room temperature, whisking occasionally to avoid a skin forming across the top. 
  • Once cooled, beat the remaining ½ cup cream to stiff peaks and gently fold it into the chocolate mixture. 
  • Spread the mousse over the top of the cooled cheesecake pie and refrigerate.

For the ganache:

  • While the pie chills, make the ganache. Combine the butter and cream in a saucepan over medium heat until the butter is melted and the mixture is simmering. 
  • Place the chocolate in a small bowl. Pour the hot cream mixture over the chocolate and stir until melted and smooth. 
  • Add the vanilla and powdered sugar and stir well. Pour the ganache over the mousse. 
  • Refrigerate cheesecake until ready to serve (at least an hour - the pie can be made up to a day in advance).

Notes

Adapted from Mel's Kitchen Cafe

Nutrition

Calories: 518kcalCarbohydrates: 36gProtein: 5gFat: 40gSaturated Fat: 22gCholesterol: 152mgSodium: 280mgPotassium: 217mgFiber: 1gSugar: 25gVitamin A: 1085IUVitamin C: 0.3mgCalcium: 81mgIron: 3.3mg

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Recipe adapted from Mel’s Kitchen Cafe*

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About The Author

Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

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Comments

  1. 5 stars
    I have made this many times for special occasions and it’s always a huge hit! Definitely give yourself plenty of time to do each step without feeling rushed – either a half day or two days to space it out. Nothing complicated, it just takes time between each step.

  2. 5 stars
    This was phenomenal! I gave myself all day to make it so I wasn’t rushed. Nothing was complicated, but it does take tons of time to make each step and give it time to cool in between. The result? SO worth it! My whole family was raving about it. I’ll definitely be making this one again!

  3. For the oreo crust, did you only use the cookie part or did you include the white part that in the middle

  4. I’ve made this twice in a springform pan using the Philadelphia cream cheesecake recipe and followed it with the mousse and ganache recipe here. It’s delicious. The first time I used the same amount of mousse as the recipe and doubled the ganache recipe. This time I doubled both as the spring form pan is large and I like the ganache to cover the sides as well. The best!

  5. I am thinking about making this recipe and was wondering if I could use a springform pan, and if the baking time would change. Please let me know ASAP, as I am planning to make this as one of the desserts for Easter ( for my chocoholics) lol

    Thanks in advance.

  6. 5 stars
    Hi! I have made this recipe before and my whole family loved it. I want to make it again, however, this time around I have a guest with a severe egg allergy. Any way to omit or replace the eggs in the cheesecake layer? Thank you!

    1. Thank you so much! As for the eggs–I really can’t say. The only thing I could think is possibly unflavored (clear) gelatin.

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