Orange Chocolate Cake
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Dark Chocolate and Orange Layer Cake with Buttercream Frosting

Dark chocolate and orange is a perfect flavor combination. Add in sponge cake and buttercream and it makes for a stunning cake!
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Course: Special occasion, Sweets
Cuisine: American
Servings: 9 servings


Dark Chocolate and Orange Layer Cake

  • 350 gr unsalted butter room temperature
  • 350 gr sugar
  • 6 eggs
  • 270 gr all purpose flour
  • 80 gr unsweetened cocoa powder
  • 1 tsp salt
  • 3 tsp baking powder
  • 90 gr dark chocolate melted
  • 3 tsp orange extract
  • 1 orange, zest only

Buttercream Frosting

  • 300 gr unsalted butter room temperature
  • 600 gr powdered sugar
  • 150 gr dark chocolate melted
  • 3 tsp orange extract
  • 1 orange, juice only
  • water as needed, 1 tbsp at a time
  • orange food color optional


Dark Chocolate and Orange Cake

  • Begin with greasing 3 x 18cm (7inch) or 2 x 20cm (8 inch) round cake tins. Preheat the oven to 180C.
  • Cream your room temperature butter with the sugar, until it's pale, light and fluffy. I like to cut the butter into smaller pieces so it's easier to cream. Mix in the eggs, one at a time, beating well after each egg.
  • Mix the flour, cocoa powder, salt and baking powder. Using a spatula, fold in the flour mixture into the butter mixture a small amount at a time. You can also sift it. This helps keep the sponge airy. Stir in the melted and slightly cooled chocolate, orange extract and zest of one orange.
  • Pour equal amounts of batter into the cake tins, smooth out with the back of a spoon. Bake for around 25-30 minutes or until a skewer comes out clean. Cool completely on a cooling rack.

Buttercream Frosting

  • Meanwhile, make the icing. Beat your room temperature butter until it's pale, light and fluffy. Beat in your icing sugar, orange extract and juice of 1 orange.
  • Divide the icing into two bowls, 3/4 in one and 1/4 in the other. In the largest bowl, add in the slightly cooled melted chocolate, mix in completely. You can color the other bowl with orange if you want. I had just a hint of color in mine.
  • More than likely, the buttercream you've got is too stiff. You should be able to pipe it from a piping bag, so you might want to add a little water to the bowls. But do it a little at a time, because you don't need much.


  • When the cakes are completely cold, level them. Take a serrated knife and make them level. Spread chocolate buttercream on each layer, reserve some for decoration. Place the buttercreams in two piping bags with a round tip. Pipe droplets around the edge of the two lower layers, and fill the top layer with chocolate buttercream on the outer part and the inner circles with orange buttercream.
  • You will have leftover buttercream, I suggest you eat that with the cake trimmings while you wait for your birthday guests!


Author: Stine Mari from Ginger with Spice
Adapted from: Taming Twins