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Chocolate “Truffle” Mousse Cake

Chocolate Mousse Cake

A friend, a baby, and a Chocolate Mousse Cake.

Most of us cook, not only because we love food, but because we love people. We cook because it makes our family smile or warms the heart of a friend.

There is nothing better than watching your husband walk into a kitchen filled with the wafting aroma of braised meat or yeasty bread fresh out of the oven. He inhales the savory perfume and his face lights up like a child on Christmas morning. This is the face of a person who knows he is loved.

Cooking, to me,  is a love language. A hobby (or art-form) in which you offer a piece of yourself to everyone who partakes. When I cook for someone, I’m expressing how I feel about them in a way I could never verbally convey. I’m offering them my time, my talent, my heart.

Triple Chocolate Mousse Cake

Certain dishes express this better than others–take cake for instance. No one makes a triple chocolate mousse cake just because they have a craving for it. It’s too much work for greedy impulse.

A person makes a chocolate mousse cake on a special occasion. They make it for a special person. And if they are lucky, they get to enjoy it together.

One of my sweet friends is having her first baby this month. Melissa is possibly the most generous and tender-hearted person I know. This Chocolate Mousse Cake was made in her honor with little fondant mushrooms and garden gnomes on top. Making this cake is one small way I could show her how special she is, and it will certainly make your loved one feel the same.

How To Make Chocolate Cake

Chocolate Mousse Cake does not qualify as an “easy recipe” but it is definitely worth the time and effort! This was inspired by the famous Martha Stewart Triple Chocolate Mousse Cakes, yet I had to alter the recipe quite a bit for a large cake, and to make the milk chocolate mousse solid enough to sit out for a while.  The bottom layer is a dark mocha cake, topped with two layers of mocha chocolate mousse whipped into airy perfection. Although it is RICH, the variation in the three layers of chocolate make it easy to eat… very easy to eat. You may not be able to stop after one piece!

How to Make Mousse Cake

Chocolate Mousse Cake

Yield: 12 slices


For the Cake:
1 cup all-purpose flour
1/3 cup dark cocoa powder
¾ tsp. baking soda
1 ½ tsp. baking powder
½ tsp. salt
1 Tb. instant coffee granules
1 cup granulated sugar
1 egg + 1 yolk
¾ cup whole milk
¼ cup veg. oil
1 tsp. vanilla extract

For the Mousse:
5 cups heavy cream
13 egg yolks, divided
12 Tb. granulated sugar, divided
5 Tb. corn syrup, divided
4 Tb. water, divided
2 Tb. instant coffee granules
11 oz. dark (bittersweet) chocolate chips, melted
11 oz. milk chocolate chips, melted
2 pinches salt
3 tsp. vanilla extract, divided


Preheat the oven to 350 degrees F. Line the bottom of a spring form pan with parchment paper. Clamp the ring into place and trim the paper around the edges. Spray the sides of the pan with unstuck cooking spray.

In a large bowl whisk the first 7 dry ingredients together.

Whisk the eggs, milk, oil and vanilla together separately. Then slowly add the wet mixture into the dry mixture, whisking until smooth. You can use an electric mixer if you like.

Pour the batter into the prepared pan and bale for approximately 30 minutes—until a toothpick inserted into the middle comes out clean.

Allow the cake to cool in the pan. Then trim the top with a serrated knife for a flat surface.

Fit a sheet of parchment paper around the cake to form a large collar. Place the spring form rim back place to hold the collar.

For the Mousse: Pour the cream into the bowl of an electric mixer. Using the whisk attachment, whip until firm peaks form. Place in an air-tight container and refrigerate for at least one hour.

Wash and dry the bowl, then place 6 egg yolks in the mixer bowl and whip until a light and frothy—5 minutes.

Meanwhile, add 6 Tb. sugar, 3 Tb. corn syrup, 3 Tb. of water, 1 Tb. coffee granules, 2 tsp. of vanilla and a pinch of salt in a small saucepan. Boil to a boil for about one minute, then remove from heat.

With the mixer running, carefully pour the hot sugar mixture into the egg yolks. Increase the speed and whip another 3-5 minutes until thick.

Then slowly pour the melted dark chocolate into the mixture. Scrape the bowl.

With a spatula, gently fold HALF the cold whipped cream into the chocolate mixture.

Once combined, carefully spoon the chocolate mousse onto the center of the cake layer. Spread evenly and refrigerate.

Repeat steps 6-13 with the remaining ingredients. Take note that the milk chocolate mousse has 1 extra egg yolk and less corn syrup, water, and vanilla. Milk chocolate contains more moisture so the mousse needs to be adapted so it isn’t too loose to stand up.

Spoon the milk chocolate mouse over the dark chocolate. Spread evenly. Refrigerate for a minimum 4 hours or over night to set.

Once set, carefully remove the paper collar. Keep chilled until ready to serve.

Making this recipe? Why not take a quick shot and share it on Instagram! Make sure to tag it #ASpicyPerspective so we can see what you're cooking!

Chocolate Mocha Mousse Cake

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89 Responses to “Chocolate “Truffle” Mousse Cake”

  1. Chef Dennisposted September 15, 2011 at 6:09 am

    its breakfast time and all I can think about is that cake! Wow, what’s not to love about a chocolate mousse cake, and those fondant mushrooms look so nice on top!
    Great job Sommer!


  2. Amy | She Wears Many Hatsposted September 15, 2011 at 6:18 am

    YUMMY! I want. Now.


  3. Alison @ Ingredients, Inc.posted September 15, 2011 at 6:31 am

    fun! It looks great!


  4. Jeanetteposted September 15, 2011 at 6:42 am

    I totally agree – cooking is from the heart, and this decadent cake is a demonstration of your love for your friend – I’m sure she appreciated all your hard work (love the gnomes on top of the cake!)


  5. Katrinaposted September 15, 2011 at 6:54 am

    Wow, that looks delicious!


  6. Devaki@weavethousandflavorsposted September 15, 2011 at 6:56 am

    Now that is one hell of an impressive cake Sommer! Fantastic and just too lovable :)

    chow! Devaki @ weavethousandflavors


  7. Tricia @ Saving room for dessertposted September 15, 2011 at 7:21 am

    I love baking and the creative outlet it provides. This looks wonderful, inspired, delicious and as you wrote, worth the effort. I can’t wait to try the fondant and would love to know more about how you made the gnomes. Another great recipe from ASP!


  8. Megan's Cookin'posted September 15, 2011 at 7:24 am

    That cake has been on my must make list and yours is beautiful. Love the mushrooms.


  9. Margaret Murphy Trippposted September 15, 2011 at 7:31 am

    All of your sentiments ring true with me as well. Cooking=love. The cake is absolutely gorgeous, I love the gnomes and mushrooms and it looks so delicious too!


  10. Lizposted September 15, 2011 at 8:07 am

    PERFECT celebratory cake!!! Wow!!!!


  11. Cookin' Cowgirlposted September 15, 2011 at 8:13 am

    Wow, that is too cute! :) Love it!


  12. The Mom Chef ~ Taking on Magazines One Recipe at a Timeposted September 15, 2011 at 8:14 am

    Cooking is my therapy, that’s for sure.

    I was wondering how you were going to use the mushrooms and gnomes from your fondant lesson and am so glad to see the result. Wow, what an amazing cake. It’s breathtaking. I can feel the love for your friend that you poured into it while creating it.


  13. Lacyposted September 15, 2011 at 8:23 am

    Wow look at this cake! I’m sure your friend was ecstatic! I am still loving these mushrooms & gnomes, amazing!


  14. Kathy - Panini Happyposted September 15, 2011 at 9:03 am

    This is SUCH a cute cake! And those mousse layers look so incredible too.


  15. Krista {Budget Gourmet Mom}posted September 15, 2011 at 9:14 am

    Oh my goodness! That looks a little piece of chocolate heaven! What a fantastic dessert in honor of a fantastic woman.


  16. pamposted September 15, 2011 at 9:14 am

    I want this cake for my birthday! Now, I just need to find someone to make it for me!


  17. Cookin' Canuckposted September 15, 2011 at 9:28 am

    I agree – cooking something special is a wonderful way to show we care. Chocolate mousse is one of my all-time favorite desserts and I am practically salivating just looking at this cake.


  18. danaposted September 15, 2011 at 9:39 am

    What a gorgeous cake! Love it :)


  19. Mariaposted September 15, 2011 at 10:55 am

    What a fun cake!


  20. Bev Weidnerposted September 15, 2011 at 10:56 am

    Dear. Gods. Of. Cake. I. Need. This.


  21. Jessica @ How Sweetposted September 15, 2011 at 11:44 am

    oh my gosh… this is decadent.


  22. Lillyposted September 15, 2011 at 12:21 pm

    OMG!! That mousse…that whole cake…I bet everyone enjoyed it loads. Beautiful picture of your friend, being pregnant give anyone that special glow.


  23. Angie's Recipesposted September 15, 2011 at 12:56 pm

    What a pretty and delicious moussecake!


  24. Cherineposted September 15, 2011 at 1:00 pm

    This is irresistible!!!!


  25. Angieposted September 15, 2011 at 1:12 pm

    This is beyond cool Sommer, I love it!


  26. Lauraposted September 15, 2011 at 1:36 pm

    Absolutely gorgeous. Also, I love gnomes.


  27. vianney/sweet lifeposted September 15, 2011 at 1:37 pm

    This is the sweetest post sommer. You friend looks radiant i wish her the best. Lovely cake.


  28. Stephanie @ Eat. Drink. Love.posted September 15, 2011 at 2:55 pm

    I need this cake in my life!!


  29. Michelleposted September 15, 2011 at 2:58 pm

    Congratulations. This is truly an accomplishment cake!


  30. Laurenposted September 15, 2011 at 3:41 pm

    A labor of love to make this cake! But it sounds like it’s totally worth the wait! YUM.


  31. Sylvie @ Gourmande in the Kitchenposted September 15, 2011 at 3:51 pm

    What an outstanding cake! You my dear are a very good friend to make a cake like that!


  32. Marylouiseposted September 15, 2011 at 4:01 pm

    This is fantastic!!! Love it!


  33. Georgia Pellegriniposted September 15, 2011 at 4:14 pm

    This cake is so stunning Sommer! Wow, I wish I had this talent :)


  34. Kristyposted September 15, 2011 at 4:16 pm

    Cake looks fab and I look forward to making it – Quick question though, do you not use the other half of the cream in the milk chocolate mousse layer?


    • Sommer — September 15th, 2011 @ 4:18 pm

      YES! Thanks for finding that error. That should say repeat steps 6-13. I’ll go fix it. :)


  35. Colleen Bierstineposted September 15, 2011 at 4:20 pm

    Aw man, this sounds like heaven! It’s basically a chocolate lover’s dream (my dream) come true.


  36. Karriann Grafposted September 15, 2011 at 5:55 pm

    Great and cute design! Happy Baking!


  37. torviewtorontoposted September 15, 2011 at 5:56 pm

    beautiful cake looks wonderful


  38. Jen at The Three Little Pigletsposted September 15, 2011 at 6:37 pm

    I couldn’t agree more – the best way to show someone you love them is with food! Such a gorgeous cake – it would be perfect for a little Gnomeo and Juliet party too.


  39. Leslieposted September 15, 2011 at 7:34 pm

    Too adorable to eat….almost!


  40. Eileenposted September 15, 2011 at 7:49 pm

    I feel exactly the same way you do about cooking/baking and sharing. It’s one of the ways I let people know I care. It makes me feel good too. I love that cake – it’s got everything going for it!!!!


  41. Jennifer (Delicieux)posted September 15, 2011 at 8:07 pm

    Oh my that cake is SO adorable!!!! I absolutely love the fondant mushroom and gnomes, they are just too cute!!! And that cake looks delicious.

    I totally agree with you, cooking is a language of love. It’s a way to show people how much you love them.


  42. Sabrina@loulousucreposted September 15, 2011 at 8:09 pm

    Just wanted to let you know that I am passing along The Versatile Blogger Award–Congratulations!!!


  43. sweetsugarbelleposted September 15, 2011 at 8:44 pm

    This is MY kind of cake. Less cake, more mousse!


  44. Baking Serendipityposted September 15, 2011 at 9:57 pm

    What a gorgeous cake and friendship gesture :) I love this!


  45. Hyosun Roposted September 15, 2011 at 10:00 pm

    This looks amazing! Simply decadent. A cake full of love…


  46. Priya Sreeramposted September 16, 2011 at 12:40 am

    what a lovely cake & the fondant mushrooms is fun !!


  47. sneigeposted September 16, 2011 at 2:30 am

    It’s exquisite! The mushrooms are adorable! :)


  48. carolinaheartstringsposted September 16, 2011 at 7:57 am

    My heavens. That is a beautiful creation. Makes my mouth water just looking at the pictures.


  49. Julie M.posted September 16, 2011 at 8:49 am

    Now THAT is a beautiful cake. I love the gnomes and mushrooms on the top. You’re pulling at my Swedish roots! you have one lucky friend. :)


  50. Eliotposted September 16, 2011 at 9:34 am

    Congrats to your friend! What a beautiful looking cake. I love the gnomes and the mushrooms.


  51. Lindaposted September 16, 2011 at 11:29 am

    There’s alot of love and egg yolks in this delicious cake! Those layers look to die for!! I feel the same as you do, my caring and love for others is expressed through the dishes and desserts I make!


  52. Dmarieposted September 16, 2011 at 1:09 pm

    *chuckle* that is just TOO CUTE!!


  53. Katieposted September 16, 2011 at 3:47 pm

    Oh my goodness, what an amazing cake! It looks amazing, and it sounds deeeelish!


  54. Anne-Marie @ This Mama Cooks!posted September 16, 2011 at 11:26 pm

    What an amazing cake. Almost worth getting pregnant for!


  55. Pachecopattyposted September 17, 2011 at 9:32 am

    Such a beautiful chocolate mousse cake , I love your mushroom forest complete with the sweet gnomes;-)


  56. Paulineposted September 17, 2011 at 3:51 pm

    Lovely, lovely and I went and had a ( drool ) look at your chocolate cake recipe too!


  57. Paulineposted September 17, 2011 at 3:51 pm

    Lovely, lovely and I went and had a ( drool ) look at your chocolate cake recipe too!


  58. chinmayie @ love food eatposted September 18, 2011 at 8:07 am

    What a beautiful cake!!


  59. Kitaposted September 18, 2011 at 8:20 am

    This is a beautiful cake to make for a a friend! I love how your explain cooking – why you cook. How you are sharing a piece of yourself with someone. That’s perfect.


  60. Boulder Locavoreposted September 18, 2011 at 8:47 am

    This cake is beyond darling. It is completely enchanting. I love your thoughts about food and why we make food for others. I agree entirely. I’m sure your friend felt the joy of the start of her journey into parenthood with this wonderful tribute to her in your cake.


  61. Katie@Cozydeliciousposted September 18, 2011 at 4:20 pm

    I love, love, love those adorable little mushrooms and the gnomes too! The cake looks fantastic – and so fun. What a great treat for a mom-to-be!


  62. Carrollposted September 18, 2011 at 6:54 pm

    ummm, ridiculously cute and sooo mouth watering!


  63. marlaposted September 18, 2011 at 9:02 pm

    This is the happiest cake ever! Congrats to your friend Melissa :)


  64. megan @ whatmegansmakingposted September 19, 2011 at 6:49 am

    Looks AMAZING! I think I would find this too easy to eat as well :)


  65. RisaGposted September 19, 2011 at 5:29 pm

    the fondant mushrooms are just precious. That cake looks so good. Melissa is one lucky lady to have had some of it. I agree with Marla – a very happy cake indeed.


  66. Monetposted September 19, 2011 at 9:13 pm

    Congratulations to your sweet friend! And what a lovely post. I couldn’t agree more about your perspective on cooking. And thank you for sharing this delicious cake! Too cute! I’m hungry again (we just finished dinner a couple of hours ago). Yummy..as always. Much love from Austin!


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  68. saraposted September 20, 2011 at 9:13 pm

    I love this – so beautiful and it looks really delicious too! :)


  69. Leslieposted September 21, 2011 at 4:25 am

    I was going to make another Death by Chocolate cake for Christmas this year…but this may have to take its place…yum!


  70. Tammyposted September 21, 2011 at 10:01 am

    That looks so good! Happy SITS day to you! :)


  71. Saraposted September 21, 2011 at 2:33 pm

    I followed the gang over from SITS. Congrats again!

    I have one question: can you come to my house and make this for me? Pretty please?


  72. Jessica@Team Raslerposted September 21, 2011 at 2:49 pm

    This looks amazing and so delicious. I love your point about how this is only a cake you make for a special occasion and probably for someone you love. Happy SITS day!


  73. Susan in the Booniesposted September 21, 2011 at 4:05 pm

    Happy SITS day, by the way!


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  75. Rochelleposted October 5, 2011 at 12:30 pm

    Looks delicious and I want to try out this cake. What size spring form pan would you recommend?


    • Sommer — October 5th, 2011 @ 12:34 pm

      Hi there! I used a 10 inch pan. :)


  76. Rochelleposted October 5, 2011 at 12:35 pm

    It looks very delicious. What size pan should I use?


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  78. Carrieposted November 26, 2011 at 6:19 am

    I am so glad I stumbled upon you! What a great cake and beautiful blog. I love to find fellow baker/blogger/artists.


  79. LFposted December 9, 2011 at 4:32 pm

    If I want to omit the coffee taste and granules, do I need to adjust any other ingredients?


  80. LFposted December 9, 2011 at 4:33 pm

    If I want to omit the coffee granules, do I need to adjust any other ingredients?


    • Sommer — December 19th, 2011 @ 9:37 am

      No. It should be fine. :)


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  82. Sinead Fentonposted December 12, 2013 at 5:17 am

    This looks absolutely divine!!


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  86. Kim Vposted June 7, 2015 at 8:08 pm

    Ok so I made this today! Flavors are great BUT my top layer of mousse is setting up properly! It’s still very”loose” afternoon 4 hrs in the fridge. Where do you think I might have gone wrong!?


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