Perfect for birthdays or any other special occasion. Disclosure: This post contains affiliate links. Learn how to make a beautiful Triple Chocolate Ombré Cake from scratch!

Ingredients of Triple layers chocolate cake

  1. You need 1 of and 3/4 cups (220g) all-purpose flour (spoon & leveled).
  2. Prepare 1 of and 3/4 cup (350g) granulated sugar.
  3. You need 3/4 cup (65 g) of unsweetened natural cocoa powder (not dutch processed).
  4. You need 1 teaspoon of baking powder.
  5. You need 2 teaspoons of baking soda.
  6. It's 1 teaspoon of salt.
  7. It's 1 cup (240 ml) of buttermilk1.
  8. You need 1/2 cup (120 ml) of vegetable oil (or canola oil, or melted coconut oil).
  9. It's 2 of large eggs, at room temperature2.
  10. It's 1 teaspoon of pure vanilla extract.
  11. It's 1 cup (240 ml) of freshly brewed strong hot coffee.
  12. It's of Milk Chocolate Frosting.
  13. You need 1.25 cups (2.5 sticks) of or 290g) unsalted butter, softened to room temperature.
  14. You need 3-4 cups of (360-480g) confectioners' sugar.
  15. You need 3/4 cup (65 g) of unsweetened cocoa powder.
  16. You need 3-5 Tablespoons of (45-75ml) heavy cream (or half-and-half).
  17. You need 1 teaspoon of pure vanilla extract.
  18. You need 1/2-3/4 teaspoon of salt (to taste).
  19. You need of optional for decoration: 15 oz (1.5 bags) semi-sweet chocolate chips.

Triple layers chocolate cake instructions

  1. Preheat oven to 350F degrees. Butter & flour two 9 inch round cake pans4, or use non-stick spray. See note about 9x13 pan option..
  2. Make the cake: Sift together the flour, sugar, cocoa powder, baking powder, baking soda, and salt in a medium sized bowl. Set aside..
  3. Using a handheld or stand mixer on high speed, mix the buttermilk, oil, room temperature eggs, and vanilla in a large bowl until combined. Slowly add the dry ingredients to the wet ingredients with the mixer on low. Add the coffee. The batter will be VERY thin. This is ok..
  4. Pour the batter into prepared baking pans and bake for 23-27 minutes or until a toothpick inserted in the center comes out clean. My cakes took exactly 24 minutes. Allow to cool before frosting..
  5. Make the frosting: Using a handheld or stand mixer fitted with a paddle attachment, beat the butter on high speed until smooth and creamy - about 2 full minutes. This creates a creamy base for the frosting. Turn speed to LOW and slowly add 3.5 cups of confectioners' sugar and the cocoa powder. Beat until sugar/cocoa are absorbed into the butter, about 2 minutes. Turn mixer to medium speed and add the vanilla and cream. Once added, turn the mixer to high speed and beat for 1 minute..
  6. Assemble the cake: Place 1 layer, flat side up, on a plate or cake stand. With a knife or offset spatula, spread the top with frosting. Place the second layer on top, rounded side up, and spread the frosting evenly on the top and sides of the cake. Decorate with chocolate chips or as desired..

Let's talk a bit about this cake. This Triple Chocolate Mousse Cake has chocolate cake, chocolate fudge, and chocolate & white chocolate mousse! The bottom layer is a dark chocolate cake. It's relatively dense, which I love with the mousse. It creates a nice contrast to the light, smooth mousse.

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