Chocolate Avocado Layer Cake with Whipped Chocolate Buttercream

  Why yes, this what I come up with when I’m sick and craving chocolate cake and anything avocado… So I say, why not put them together?!  Yeah, I know it’s totally something I should avoid eating while sick.. but I’ll take it along with my chicken soup any day!

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  My siblings had some pretty sour looking faces when they watched me put a mashed avocado in the batter.  Needless to say, their faces changed when they actually tasted the aftermath.  I think I may just keep putting avocado in all my chocolate cakes.  It gives it such great texture, keeps it moist, and makes every bite melt in your mouth.  

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. . . and the buttercream.. mmmm.  Sweet and salty, just the way I like it.  

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Chocolate Avocado Layer Cake with Whipped Chocolate Buttercream
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Prep Time
20 min
Cook Time
23 min
Prep Time
20 min
Cook Time
23 min
  1. 1 1/4 cups unsweetened cocoa powder
  2. 2 1/4 cups cake flour
  3. 2 cups white sugar
  4. 1 teaspoon kosher salt
  5. 2 teaspoons baking powder
  6. 1/2 teaspoon baking soda
  7. 1/2 cup butter (1 stick), room temperature
  8. 1 avocado, blended till smooth
  9. 1 cup buttermilk, room temperature
  10. 3 large eggs, room temperature
  11. 1/2 cup strong coffee, cooled
  12. 2 teaspoons vanilla
  1. 1 1/2 sticks butter, room temperature
  2. 2 cups confectioners sugar
  3. 3/4 cups unsweetened cocoa powder
  4. 3/4 teaspoons kosher salt
  5. 1/4 cup milk
  6. 1 tablespoon heavy cream
  7. 1 1/2 teaspoons vanilla
  1. Preheat oven to 350°F. Grease and line three, 8-inch cake pans with parchment paper.
  2. In a mixing bowl, add the cocoa powder, flour, sugar, baking soda/powder, salt, and whisk till combined.
  3. Cut open a large avocado; remove and discard the peel and pit and put the insides in a blender and blend till smooth and no more lumps can be seen, set aside.
  4. With an electric mixer, beat the butter and avocado till combined, scraping down sides if necessary. Add the eggs, beating one at a time, till just blended. Add vanilla and buttermilk. mix till combined, scrap down sides with spatula and add the flour mixture in three batches, beating on medium speed till just combined each time. Add the cooled coffee and mix well.
  5. Pour batter equally amongst the three pans and spread evenly. Place in the preheated oven and bake for 23-25 minutes until a toothpick inserted in the center comes out clean.
  6. Let them rest in their pans 10 minutes. Use a knife and go around the edges to loosen the sides. Flip them carefully onto cooling racks and let them cool completely before frosting them.
  1. In an electric mixer, beat the butter, salt, and cocoa powder till fully combined, about 1-2 minutes. Add the powdered sugar and beat on high while drizzling in the milk, cream, and vanilla, beat till whipped and smooth about 1 minute.
  1. Place a small dollop of frosting in the center of an 8-inch cardboard cut-out and place the first cake layer flat side down onto it and gently press down(this will keep the cake from sliding around on the cardboard). Spoon about 3/4 cups of frosting on the top of the layer and evenly spread around. Place the second cake layer, flat side facing up, on top the frosted layer and gently press down to secure. Add another 3/4 cups frosting and spread around evenly. Place the last layer evenly on top the other, flat side facing up, and press down gently to secure. Frost the rest of the cake with the remaining frosting. Cut and serve!
  1. All butter used should be unsalted and set out over night to come to room temperature before using. Be sure all eggs and milks are brought to room temperature also.
The Sticky Spatula
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6 thoughts on “Chocolate Avocado Layer Cake with Whipped Chocolate Buttercream

  1. indugetscooking Reply

    So decadent. This looks like chocolate heaven!

  2. Ashlie Reply

    This looks lovely and delish! I have made a very simple, but decadent tasting chocolate frosting with puréed avocado, dark cocoa powder, maple syrup and a little melted coconut oil…avocado and chocolate go together very well!

    1. Emily Reply

      Indeed they do! That frosting sounds lovely!

  3. Erika Reply

    That is one incredible looking cake.. Each layer looks lush!

  4. June @ How to Philosophize with Cake Reply

    Chocolate avocado cake actually sounds pretty good! I imagine it lends the cake a wonderful rich texture 🙂 Love the whipped chocolate buttercream too!

  5. Haley Reply

    Wow, this cake is so good! Just made it for a bday with great success! One note… I think you left out the amount of powdered sugar to include in the frosting. I guessed, and it worked out, but wanted to let you know. Thanks for the great recipe and inspiration!

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