Thursday 25 April 2013

Chocolate Mayonnaise Cake with Coconut

It was my birthday a couple of weeks ago. I turned the ripe old age of 26, obviously cake was going to be a big part of my birthday. I was starting to get excited because I could pick a recipe and it didn't really have to please anyone else, after all, it was my day! I was then told it would be "sad" if I made my own cake, so the condition was that I was not allowed to bake but I was allowed to decorate! I settled on the Donna Hay Melt and Mix Chocolate Coconut cake. Coconut is one taste I've acquired as an adult and I think it is perfect in cake. However when I thought back to the Donna Hay cake, there was nothing technically wrong with the recipe, in fact I love the flavour, but I really did want a super moist cake, and that one is just a tad dry for my liking. I'd long heard the urban cake myth about using mayonnaise in a cake to make it extra moist and when you think about the main ingredients (oil & eggs) , it really does make sense, so I thought if I could find a good choc-mayo recipe (thank you Serious Eats) and then add some coconut, I'd have my Donna Hay favourite with extra moisture... So here it is, it was perfectly moist, perfectly cocnutty and perfectly fun for a birthday. I was channeling my inner cake inspiration with the decoration on this one, Sweetapolita as I droooled every time I saw this post!

Chocolate Mayonnaise Cake with Coconut

  • 3 large eggs
  • 1 1/2 cup + 1 tablespoon sugar
  • 1 tablespoon vanilla extract
  • 1 1/4 cups mayonnaise
  • 2 1/4 cups all-purpose flour
  • 1/4 teaspoon baking powder
  • 1 3/4 teaspoons baking soda
  • 3/4 cups + 1 tablespoon dutch-process cocoa powder
  • 1/2 teaspoon salt, generous
  • 1 1/3 cups hot water
  • 1 cup shredded coconut
Chocolate "Galaxy" Frosting (enough to fill generously between layers and frost outside)
  • 440 grams salted butter (room temperature)
  • 380 grams (sifted) icing sugar
  • 2 teaspoons vanilla extract
  • 250grams of your favourite plain chocolate ( I used Galaxy/Dove)
  • 1 tablespoon of Nutella
  • 1 tablespoon of milk

Cake Method

  • 1. Preheat your oven to 180°C. Grease and line two or more 9" cake tins (I used 3).
  • 2. Using an electric mixer, beat the eggs and sugar in a large bowl on medium-high speed until thick and very light in color; about 6 to 8 minutes. 
  • 3. Add the mayonnaise and vanilla extract, and beat on medium speed until combined.
  • 4. Add the flour, baking powder, baking soda, cocoa powder and salt, and beat on low speed until combined. The mixture will look thick and fudgy. 
  • 5. Add the water and mix on low speed until it's incorporated. The batter will be much thinner. 
  • 6. Pour the batter into the prepared pan(s) and bake for about 30 minutes (check it at about 25 minutes), or until a toothpick inserted in the middle comes out clean.Allow the cakes to cool on a rack, in their pans, for 10 to 15 minutes or until they are cool enough to handle. Invert them onto the rack and allow to finish cooling to room temperature.
Frosting Method
  • 1. Combine icing sugar and butter in an electric mixer for about 3 minutes or until combined.
  • 2. Add vanilla, melted chocolate, Nutella, and milk and mix until combined (approx 3-5 mins)


  1. Happy birthday! I love how this cake is decorated!

  2. This cake is so pretty! Happy Birthday!

  3. Happy Belated Birthday! I've seen mayonnaise in cakes before, but have never tried it. I bet it's very moist!

    1. Thank you! You should definitely try it, it's super moist!

  4. Happy Birthday! And what a perfect recipe to make too :D What an interesting idea using mayonnaise. I'm dying to try it now! :D

    1. Thanks Lorraine. Yes do try it, it's FANTASTIC in chocolate cakes!


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