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Frozen Chocolate Mousse Cake

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If you’re looking for a swoon worthy chocolate dessert, I’ve got you covered with this sublime Frozen Chocolate Mousse Cake.

This chocolate number started with a flourless chocolate cake base, topped by an incredibly rich and creamy mousse and iced with a glossy ganache. It was perfect for a friend facing back surgery and her chocoholic husband.

Frozen Chocolate Mousse Cake on a white plate with raspberry garnish

Frozen Chocolate Mousse Cake

Frozen desserts are perfect for gifting as they don’t need to be eaten right away and are terrific for unexpected company or those pesty cravings! My girlfriend is a chocolate fanatic and I knew having slices of this dreamy frozen chocolate mousse cake in her freezer would brighten up a dreary day of rehab.

There are three layers of decadence in this frozen mousse cake: a flourless chocolate cake, a layer of dreamy mousse, and a topping of chocolate ganache! Each one is fabulous on its own, but together, they create a chocolate extravaganza!

Frozen Chocolate Mousse Cake on a white dessert plate with fresh raspberries and mint

Gluten Free Mousse Cake

I brought this cake to my friend, Candes, with a couple pre-cut slices for her and our other friends to sample at one of our knitting group meetings. Our hostess is gluten free so rarely gets to enjoy my treats. She was happy to indulge as was the rest of the crew.

I left a slice at home for my own chocolate taste tester—and this was unequivocally a hit across the board. I found this recipe on the blog of my dear blogger friend, Danielle.   She and I cook from each other’s blogs each month, and when I spied this chocolate number on Hugs & Cookies XOXO, I knew it would bring sheer bliss to all who indulged.

I got an email from Candy only days after her surgery, requesting the recipe. Her husband told her it was the only chocolate cake she ever needed to make. And she clarified that it was most likely the only dessert she’d ever need to make! If you’re looking for a showstopping treat for the chocoholic in your life, you’ve found it.

Frozen Chocolate Mousse Cake on a white cake plate on a red and white napkin

Tips for Making This Frozen Chocolate Mousse Cake

There are 3 layers, with the final ganache topping being the easiest. You can make the cake layer one day, then the mousse and ganache on the next if you want to spread out the process.

  • If you want any chance of getting the mousse cake out of the springform pan, you’ll want to use non-stick foil to line it. I used two pieces placed perpendicular to each other so that all the inner surface was cover.
  • I did my best to press the foil tightly against the inside of the pan, but you’ll still see wrinkles and folds on the sides of the dessert when it’s unmolded. No one except the baker will notice this!
  • Do you know what a springform pan is? It’s used mainly for cheesecakes, but works great for any cakes. It has a removable base and a “collar” for the sides which can be released with a clip. It’s a must for this mousse cake.
  • I also like using this cake spatula for moving cakes and cheesecakes from the pan to the serving plate.
  • You will need to separate your eggs for the mousse. PRO-Tip: Remember that eggs separate easiest when cold, but egg whites whip best when at room temperature.
  • PRO-Tip: And note than any yolk that contaminates the egg whites (or any grease on the bowl or beaters) will prevent them from whipping into stiff peaks. It’s worth taking your time separating the eggs so none are wasted.
  • The cake layer will shrink as it cools, so the mousse layer invariably will be a little bit wider than the cake below.
  • To cut, I found using a long, sturdy bread knife worked well as it could straddle the whole cake. Warming the knife helps cut through a frozen dessert if needed.
  • You’ll want this dessert to sit out at room temperature after it’s sliced and placed on dessert plates. It slices cleanly when frozen solid, but let it soften for a few minutes to make for easier indulging.
  • Did you know that cold inhibits a dish’s flavor? So for desserts like ice cream, you need to bump up the flavorings a bit.

More Mousse Recipes You’ll Love:

Frozen chocolate mousse pinterest image and text collage
Frozen Chocolate Mousse Cake featured image

Frozen Chocolate Mousse Cake

3 delicious chocolate layers make every slice a party in your mouth!

Prep Time 30 minutes
Cook Time 45 minutes
Total Time 1 hour 15 minutes
Yield 12 servings


Flourless Cake:

  • 2 sticks (1 cup) butter
  • 12 ounces semisweet chocolate, chopped
  • 6 large eggs
  • 1 cup sugar
  • 1 tablespoon vanilla


  • 4 tablespoons (1/4 cup) butter
  • 10 ounces semisweet chocolate
  • 3 large eggs, separated (pasteurized eggs preferred)*
  • 3 tablespoons sugar
  • 1 tablespoon vanilla
  • 1 cup heavy whipping cream


  • 4 ounces semisweet chocolate
  • 1/4 cup light corn syrup
  • 1/2 cup heavy whipping cream


Make the cake:

  1. Preheat oven to 350º.
  2. Line inside of 9-inch springform pan with nonstick foil and wrap a piece of foil around outside, too.
  3. Heat butter and chocolate in the microwave until melted. Whisk till smooth.
  4. Whisk in the eggs and sugar.Add vanilla and pour into prepared pan.
  5. Place the pan in a larger roasting pan and fill the larger pan with hot water to come about halfway up the sides of the pan.
  6. Bake 40-45 minutes and remove from oven, allowing cake to cool in the water bath.
  7. Once cool, place cake pan in freezer.

Make the mousse:

  1. Melt butter and chocolate in the microwave. Whisk till smooth.
  2. Whisk yolks, sugar and vanilla together.
  3. Whisk yolk mixture into hot chocolate mixture carefully.
  4. Using a mixer, beat the whites to stiff peaks. Fold the egg whites into the chocolate.
  5. In the mixer, beat the cream to soft peaks and fold it into the mousse.
  6. Spread mousse over the cold cake and return to freezer for an hour.

Make the Glaze:

  1. Microwave corn syrup and cream just till hot. Add chocolate.
  2. Let sit one minute and then whisk smooth. Let sit an additional 30 mins to thicken. Remove cake sides. Pour glaze over cold mousse layer and return to freezer for a few hours until ready to serve. Keep frozen. Let warm up at room temperature for a couple minutes before slicing and serving.


To prevent foodborne illnesses, I recommend using pasteurized eggs in recipes calling for raw eggs.

Recipe adapted fromThe Pastry Queen by Rebecca Rather via Hugs & Cookies XOXO

Nutrition Information:



Serving Size:

1 slice

Amount Per Serving: Calories: 553Total Fat: 33gSaturated Fat: 19gTrans Fat: 0gUnsaturated Fat: 12gCholesterol: 173mgSodium: 73mgCarbohydrates: 66gFiber: 4gSugar: 60gProtein: 8g


Please leave a comment on the blog or share a photo on Pinterest


On the second Monday of each month, Danielle and I cook up something from each other’s blog. Every treat I pull from her blog is a winner…I never have to worry whether we’ll like it or not. We always do!

Check out Danielle’s social media sites!

Hugs & Cookies XOXO



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64 comments on “Frozen Chocolate Mousse Cake”

  1. Today’s problem…I can’t get the images to load. I do hope your friend’s back surgery went well and that’s so nice of you to bake her something special. I do love a cake with mousse! xx

  2. Let’s just say… If I had this in my freezer, it wouldn’t last long! Amazing:@)

  3. What a perfect Valentine’s dessert! It looks incredible and I love that it’s flourless as well!

  4. Definitely swooning over this pie!

  5. This is gorgeous, Liz! So nice of you to make this for your friend who is recovering. I am totally swooning over how creamy and decadent it looks! It’s perfect for Valentine’s Day!

  6. That looks so good!! What a perfect way to celebrate V-Day

  7. This looks amazing! Your friend is lucky to have you bake this for her 🙂

  8. oh my gawd, Liz!!! just when I thought you couldn’t show me something more awesome and delicious, you DID!!! Wow-za!!!! I want THIS for Valentine’s Day. . heck, I want this today!!!

  9. Now that is something I would love receiving too … this cake is beyond words.. totally decadent and mouth watering. Mmmm – I can imagine the taste ..

  10. You are amazing, Liz! What a thoughtful gift for your friend. This beautiful chocolate creation would brighten any chocolate lovers day – and we have three here, just so you know 😉

  11. Liz, this recipe is a winner on all fronts – and gluten free to boot? Fabulous!

  12. This certainly does look like a special celebration cake Liz, it is beautiful. I’ll keep it in my back pocket for my GF BFF!

  13. I’d love to have a slice of this to enjoy with my cup of coffee right now! Not only does this chocolate mousse cake look delicious, the presentation is beautiful, too!

  14. Loo9k really georgeous Lizzy!!

  15. Chocolate is the best girls friend ! It’s very chic from you cook this amazing cake for your friend.

  16. Liz, this looks so gorgeous and I need a big slice of this chocolate mousse cake. Yum!

  17. What a special friend you are to make this for your friend. xo It is beautiful.

  18. Three decadent layers come together and definitely not looking gluten free, looks so awesome.

  19. Looks fabulous Liz!!!!! Good choice for your friend!!! Xoxo

  20. Lizzy,
    Could I move next door to you? This looks so amazing. The hubby and I are huge chocolate fans and this would definitely fill our sweet tooth.

  21. I just want to dive right into this cake… looks delicious all three layers!!

  22. This looks incredible. My family would love it! I would devour it! You are killing me, Liz!

  23. 3 heavenly layers indeed! I love that glossy chocolate glaze, irresistible!

  24. This is a real chocoholics dream, heaven on a plate 😉

  25. This looks fantastic. I definitely need to add this to my list of desserts to make.

  26. Does it have to be frozen or can i make it as a cake?

    • Hi Samantha,
      I haven’t tested it out unfrozen, but wonder if the mousse would be too soft if it was at room temperature? And therefore hard to cut into slices. I wish I had a definitive answer for you!

  27. This is a joke, right? And how, pray tell, are you supposed to get this thing out of the tin foil? I think you bought this in a store

  28. Well, after all that trouble, it was delicious. There has to be a better way to do the springform/foli though

  29. I kind of want this every day. For the rest of my life.

  30. This cake was “a taste of heaven”. I wouldn’t change a thing!

  31. Could you use parchment paper instead of foil? And do you mean to wrap the foil around the outside of the pan itself??

    • Hi, Meredith,
      You wrap the outside with foil AND the inside. I use nonstick foil inside so it can peel away from the cake easily when you unmold it. I think parchment would work, but I’d spray it with non-stick cooking spray. I’d just make sure your springform is watertight (the foil should help) so that the paper doesn’t get soggy. You could spray foil with non-stick cooking spray if you don’t want to purchase the non-stick foil—but I know some folks don’t like foil touching their food, and I get that 🙂 Hope this helps!

  32. Hi Liz,

    Making this for Christmas. One question though, vanilla 1 Tbsp in the cake and mousse? I’ve never used that much vanilla. Just want to make sure that wasn’t a misprint.
    It looks amazing.

  33. This is so decadent I love this! I think it could be on our nexxt holiday tray!

  34. This looks incredibly decadent!! Saving to try.

  35. OhhEmmGeee this cake looks amazing Liz!! I SO need this in my life!

  36. Your cake looks absolutely divine!

  37. How  Long can this be frozen? 

  38. My new favorite dessert! I love all that chocolate.

  39. Absolutely perfect with a cup of coffee!

  40. OMG those layers! This is a beautiful cake!

  41. This didn’t last long in my house! A huge hit!

  42. Love that I can make this one ahead of time. Always a big hit!

  43. Soo perfect for the weather in Hot Houston!

  44. Wow, this cake looks amazing. Chocoholics’ delight.

  45. I’d really like to try this frozen chocolate mousse cake! It’s very very hot right now in Malaysia and a cool chocolate dessert would really make my day.

  46. My goodness Liz – this is the kind of cake I love! It sounds and looks fantastic. Thanks for sharing this gorgeous creation 🙂

  47. Oh Liz, this case looks amazing…flourless chocolate cake layered with chocolate mousse…I need a slice of this cake now…thanks for sharing the recipe.
    I hope you are having a fabulous weekend!

  48. So delicious Lizzy ! hugs!!

  49. Oh wow, the word FROZEN certainly caught my attention!  xoxo 

  50. Swoon-worthy is right! This cake is so smooth and GORGEOUS! I love that it’s frozen!

  51. I can’t wait to make this for my family!

  52. This cake looks fantastic. My daughter was walking past me looking at this cake on the computer and stopped and said she wants it for her 19th birthday. You know you have a hit when a teenager likes your stuff. Keep up the great work. I so look forward to what your coming up with.

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