Chocolate Unicorn Cake

  5.0 – 6 reviews  • Birthday Cake Recipes

Because there are times when you prefer your unicorns to taste more like chocolate cake than like rainbows.

Prep Time: 45 mins
Cook Time: 25 mins
Additional Time: 45 mins
Total Time: 1 hr 55 mins
Servings: 8
Yield: 1 9-inch layer cake

Ingredients

  1. 1 ¾ cups all-purpose flour
  2. 1 cup dark cocoa powder (such as Hershey’s® Special Dark), sifted
  3. 2 teaspoons baking soda
  4. 1 teaspoon baking powder
  5. ¾ teaspoon salt
  6. 1 cup firmly packed brown sugar
  7. ½ cup white sugar
  8. ½ cup unsalted butter, softened
  9. 2 large eggs, at room temperature
  10. 2 teaspoons vanilla extract
  11. 1 cup strongly brewed coffee, cooled to room temperature
  12. 1 cup sour cream
  13. 1 cup unsalted butter, softened
  14. 4 cups sifted powdered sugar
  15. 1 ½ teaspoons vanilla extract
  16. ¼ teaspoon salt
  17. 1 tablespoon heavy cream, or more as needed
  18. 1 drop blue food coloring, or as needed
  19. 1 drop purple food coloring, or as needed
  20. 1 tablespoon pink sprinkles, or as needed
  21. 1 (.75 ounce) tube black decorating gel
  22. 4 marshmallows, quartered
  23. 1 tablespoon pink sanding sugar, or as needed (Optional)
  24. 8 birthday candles

Instructions

  1. Preheat the oven to 350 degrees F (175 degrees C). Lightly grease two 9-inch cake pans and line with parchment paper.
  2. Whisk flour, cocoa powder, baking soda, baking powder, and salt together in a medium bowl.
  3. Combine sugars and butter in a large bowl; beat with an electric mixer until light and fluffy. Beat in eggs one at a time, thoroughly mixing after each addition. Beat in vanilla extract.
  4. Mix 1/3 of the flour mixture into the butter mixture until just combined. Mix in 1/2 of the coffee and 1/2 of the sour cream until just combined. Add remaining flour mixture alternately with remaining sour cream and coffee. Do not overmix. Divide batter between the cake pans.
  5. Bake in the preheated oven until a toothpick inserted into the center comes out with just a few moist crumbs attached, 25 to 30 minutes. Cool in the pans for 15 minutes. Run a knife around the edge of the pans before inverting cakes onto cooling racks. Peel off parchment paper. Cool cakes completely, about 30 minutes.
  6. Make frosting while cakes cool. Beat butter with an electric mixer until light and fluffy. Beat in powdered sugar, 1 cup at a time, until incorporated. Mix in vanilla extract and salt. Add heavy cream. Beat frosting on medium speed until light and fluffy, about 3 minutes. Add more heavy cream if needed to reach a spreadable consistency.
  7. Place 1/2 cup frosting into 2 separate bowls. Stir blue food coloring into one bowl and purple food coloring into the other. Place colored frostings into a piping bag fitted with a star tip.
  8. Place 1 cooled cake layer onto a cake plate. Top with 3/4 cup of white frosting. Place second cake layer on top. Frost the outside and top of the cake with remaining frosting.
  9. Divide the cake into 8 wedges by tracing a sharp knife through the frosting on the top; do not cut all the way through. Place 2 pink sprinkles in the innermost point to make unicorn’s nostrils. Pipe the eyes and eyelashes near the upper portion of each wedge using the black decorating gel. Pipe blue and purple unicorn hair at the top of each wedge.
  10. Stretch marshmallow quarters into ear shapes and dip into pink sugar. Attach 2 ears to the edge of each slice. Pipe more hair around the ears. Place 1 candle into the hair for the horns. Keep cake refrigerated until ready to serve.
  11. Use melted chocolate instead of black icing gel, if preferred.
  12. Instead of a piping bag, you can use a freezer bag with the corner cut off.

Nutrition Facts

Calories 950 kcal
Carbohydrate 138 g
Cholesterol 153 mg
Dietary Fiber 4 g
Protein 8 g
Saturated Fat 27 g
Sodium 762 mg
Sugars 106 g
Fat 45 g
Unsaturated Fat 0 g

Reviews

Christina Dalton
It was easy to make
Michael Fox
Best cake ever!!!
Brittney Harper
my dather loved it
Dale Schmidt
Reminds me of the chocolate cake from my youth. Deep chocolate flavor, not too sweet and perfectly moist. Definitely a keeper!
Austin Mitchell
I didn’t do all the decorations. I wanted a decadent dark chocolate cake that was soft and almost melt in the mouth like. This recipe took it for me. I made it for a friends birthday. She enjoyed it so much. Her kids loved it as well. They just finished the last of it today. The frosting was just perfect as well. I love this kind of cake with a side of cold milk. The only thing I would do is leave it in the oven 15 min longer and I did not use dark cocoa cuz I couldn’t find it. It came out perfect either way.
Carol Fox
i made these cake for one of my sister for there birthday she loved it

 

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