Tunnel of Mousse Cake

Who doesn’t love a chocolate mousse cake? But even better is a Tunnel of Mousse Cake with mousse used as both frosting and filling!

Tunnel of Mousse Cake

Our Easter Dessert

My friend, Cindee, shared this family recipe with me after I posted one of my mousse cake recipes last month. When debating what to make for our Easter dessert, besides the annual fudge lamb, of course, this came to mind. And what a cake it was. The whole darned family licked their plates clean. The mousse reminded me of soft chocolate ice cream, which isn’t surprising considered it’s made of heavy cream, cocoa and sugar. And the cake had a delicate crumb without the chocolate intensity that my daughter finds too rich. So everyone was pleased. Score one for the baker.

Tunnel of Mousse Cake | LIght crumb chocolate cake filled and frosted with chocolate mousse

Aly of Cooking in Stilettos

I’m sharing this recipe over at Cooking in Stilettos, the blog written by my lovely friend, Aly. She had an unfortunately kitchen accident involving her thumb and a mandoline. Enough said. Needless to say, her sore digit makes it difficult to cook and type. Hard on a blogger. So pop on over to her blog, tell her hello and check out this mousse cake recipe that has now become a tradition in two families! Thanks, Cindee. And hope you heal quickly, Aly!

Tunnel of Mousse Cake #GuestPost
 
Prep time
Cook time
Total time
 
Who doesn't love a chocolate mousse cake? But even better is a Tunnel of Mousse Cake with mousse utilized as both frosting and filling!
Author:
Recipe type: Dessert, Cake
Serves: 10-12
Ingredients
For Cake:
  • ½ cup sifted cocoa powder
  • ¾ cup boiling water
  • 1¾ cups sifted cake flour
  • 1¾ cups sugar
  • 1½ teaspoons baking soda
  • ½ teaspoon salt
  • ½ cup vegetable oil
  • 7 egg yolks, reserve egg whites
  • 2 teaspoons vanilla
  • 1 cup of egg whites (7 or 8), at room temperature
  • ½ teaspoons cream of tartar
For Mousse:
  • 4 cups heavy cream
  • 1½ cups powdered sugar
  • ¾ cup sifted cocoa
  • 2 teaspoons vanilla
  • ¼ teaspoon salt
Instructions
  1. Preheat oven to 325º.
  2. Put cocoa powder into small bowl and stir in the boiling water till smooth. Cool for 30 minutes. Sift together flour, sugar, soda and salt. Make a well in the center and add oil, egg yolks, vanilla and cocoa mixture. Beat till smooth with a hand mixer, scraping sides of bowl as needed. Set aside.
  3. Put egg whites into the bowl of a stand mixer fit with the whisk attachment. Sprinkle with cream of tartar. Beat until stiff peaks form. Pour chocolate batter over egg whites and gently fold together till blended. Pour into an ungreased tube pan.
  4. Bake for 50-60 minutes or till the top of the cake springs back when pressed. Cool on rack for at least 1½ hours. Use a straight, thin metal spatula to go around the perimeter of the cooked cake to help loosen, then remove carefully.
  5. Make the mousse by combining all ingredients. Refrigerate for one hour. Then beat till quite firm. Refrigerate for another hour before assembling the cake.
  6. When whipped mousse is fully chilled, prepare the cake. With a long serrated knife, carefully slice off the top 1 inch of the cake. As a guide, insert toothpicks one inch below the top spaced around the perimeter. Reserve the top for later.
  7. Next cut vertically around the perimeter of the cake, one inch from the outside edge and one inch from the inside edge. You will be making a well in the middle of the cake. Be careful not to cut through to the bottom of the cake. Carefully cut the inside into sections and pull out pieces of the cake leaving one inch of cake at at the bottom for the base. Reserve cake pieces.
  8. Fill the cavity with the chilled mousse. Crumble some of the reserved cake into a bowl and mix in ½ cup of mousse. Fill the hole in the center of the cake with the mousse/cake mixture.
  9. Replace the top of the cake and frost with the remaining mousse. Garnish as desired. Refrigerate leftovers.

 

Comments

  1. this is so delicious, thank you.

  2. this is so delicious, thank you.

  3. Lynn@Happier Than A Pig In Mud says:

    Oh I feel (felt) Aly’s pain-literally! This cake looks amazing Liz, I’ve been thinking about filling and “stuffing” different things lately… Mousse sounds great:@)

  4. Liz, oh my gawd, that mousse in the center?!!! Kill me now. . LOVE this cake!!!

  5. Oh that’s a coincidence. I had a similar accident 4 days ago. Chef Knife and Thumb! Still not able to do much in the kitchen. Being taking things light and I saw this lovely cake and drooling over it when I read about your Aly!! Can’t wait till I am able to try this. Thanks for sharing.

  6. Now, this is a killer dessert. We can eat a whole cake with its softness and creaminess…Not saying no on this, Lizzy!

    Julie & Alesah
    Gourmet Getaways xx

  7. It looks gorgeous! Your friend and you are so talented!

  8. This cake looks SO FUDGY and super fluffy! Gotta love impressive cakes like this one!

  9. Liz – thank you SOOOOO much for sharing this divine Tunnel of Mousse cake on Cooking in Stilettos today. I cannot wait to make this!

  10. I’m dying for this mousse right now!! 😀

  11. the tunnel is awesome idea…..

  12. You had me at tunnel of mousse, what a simply divine cake!

  13. Mouth-watering cake! And it’s perfectly made!

  14. I know Bill must have loved this!

  15. HOLY COW!

    This is seriously epic deliciousness. I’m swooning over that tunnel of mousse!

  16. I am in love with this cake. Love the mousse!

  17. This is quite a yummy guest post, Liz! Love choc mousse too! xoxo

  18. What? Chocolate mousse which is like chocolate ice cream inside of cake? Er, excuse me. I’ve got an important task to complete….Nabbing your recipe at the Aly’s site!

  19. I am a notorious chocolate lover so that cake is perfect for my addiction!

  20. That looks so good with that soft centre. I am sure I could manage a very small piece. That would be such a nice surprise for guests when the cake is first cut.

  21. Tunnel of mousse? Tunnel of love if you ask me. I think I need to make this sooner rather than later!

  22. Absolutely yes to that!! i just love to have it during my tea time with a cup of coffee

  23. I might have to make this for my husband’s birthday this summer. Chocolate is absolutely his favorite.

  24. All I had to do was look at this photo and you had me. I’m a chocolate lover from birth and this literally had me drooling. I can’t wait to try this recipe.

  25. Hopping over to Aly to check out the recipe.

  26. Have to agree that that tunnel of mousse in the middle looks divine.

  27. This cake look amazing! So nice of you to help your friend Aly. Hope she feels better soon. Mandolines are so scary!

  28. Hotly Spiced says:

    Those mandolins are lethal! I haven’t yet lost a finger but I know plenty of people who have really hurt themselves – very painfully! What a gorgeous cake! I must pop over to find out the trick of that square of mousse in the centre xx

  29. Oh my gosh!!?? I don’t have to share this right? It looks amazing 🙂

  30. Looks awesome! Unfortunately, your friend’s site would not open for me. Latin American internet!

  31. I think I would have to make baby versions of this cake, it would be hard to not eat the whole thing. Gorgeous, love that cheeky tunnel of chocolate mousse too. Mmmm! 🙂

  32. I’m in AWE! This looks INCREDIBLE!!!! Heading over to check out the recipe 🙂

  33. Liz, this is looking beyond any description. As a chocolate lover I love everything about this dessert. Wish I could have tasted it too 🙂

  34. Lizzy,
    I’ve got to see how you made this cake. My hubby would love this!
    Annamaria

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