Rainbow Birthday Cake
Got a special birthday coming up? Here is a bright, colorful fun cake for that special little someone! Hidden under the rainbow of colored candy you will bite into a moist two layer chocolate cake.

Ingredients
Cake
- 4 ounces unsweetened chocolate, coarsely chopped
- 1/4 cup dutch-processed cocoa powder
- 1/2 cup hot water
- 1 3/4 cups granulated sugar
- 1 3/4 cups all purpose flour
- 1 1/2 teaspoons baking soda
- 1 teaspoon salt
- 1 cup buttermilk
- 2 teaspoons pure vanilla extract
- 4 large eggs, plus 2 large egg yolks
- 3/4 cup (1 1/2 sticks) butter,at room temperature
Orange Butter Cream Frosting
- 1 cup butter, room temperature
- 3 1/2 cups confectioners' sugar
- 1/2 teaspoon salt
- 1 teaspoon vanilla extract
- 1 teaspoon orange concentrate (from frozen juice)
- 2-4 drops of orange food coloring (optional, you can go white)
- 4 Tablespoons milk or heavy cream
- (Makes 3 cups)
Garnish
- egg candy with soft malt centers
- star confectioners cake candy
Directions
- Preheat oven to 350 degrees F.
- Line with parchment paper, two 9-inch round cake pans and grease the parchment paper with butter. Lightly dust the pans with flour.
- Combine the chopped chocolate, cocoa powder, and hot water in medium sized heatproof bowl.
- Set the bowl over a saucepan filled with 1 inch of simmering water.
- Stir the mixture with rubber spatula until chocolate has melted.
- Add 1/2 cup sugar to the chocolate and stir for about 2 minutes until glossy.
- Remove bowl from heat and set aside to cool.
- In a medium size bowl stir together the flour, baking soda, and salt.
- In a small bowl, combine buttermilk and vanilla.
- In a large mixing bowl, using an electric mixer, beat the eggs and yolks on medium-low speed about 10 seconds until combine.
- Add remaining 1 1/4 cups of sugar, and increase speed to high. Beat 2 to 3 minutes, until fluffy and lightened in color.
- Add in the cooled chocolate mixture and mix about one minute on medium speed until thoroughly incorporated. Scrape down sides of bowl with rubber spatula as needed.
- Add the butter 1 tablespoon at a time.
- Add 1/3 of the flour mixture, mix in.
- Add half of the buttermilk mixture mixing until incorporated.
- Add half of remaining flour mixture, mix in.
- Add all of remaining buttermilk mixture, mix in.
- Scrape down sides of bowl and add remaining flour mixture.
- Mix at low to medium speed until batter is thoroughly combined.
- Use a spatula to scrape bottom and sides of bowl mix in.
- Divide batter evenly between prepared cake pans; smooth batter to edges of pan with spatula.
- Bake cakes in preheated oven 25-30 minutes or until toothpick inserted into center comes out with a few crumbs attached.
- Remove and place can pans onto cooling rack for 10 minutes then invert the cakes onto the racks.
- Cool the cakes completely before frosting.
Orange Butter Cream Frosting
- Cream butter for a few minutes on medium speed, or vigorously with a fork.
- Sift 3 cups confectioners' into the butter bowl.
- Mix on low until creamy.
- Add vanilla extract,orange concentrate, salt, food coloring and milk/cream and beat for 3 minutes. If using an electric mixer, increase speed to medium.
- Notes: To thicken the consistency, add a little more confectioners' sugar.
- To thin the consistency, add additional milk 1 tablespoon at a time.
- Divide the frosting, so you have about 1/2 cup for center, and the remainder of the frosting for the tops and sides.
Assembly
- Place one layer of cake onto a cake plate.
- Spread a layer of orange frosting.
- Place the second layer of cake onto the frosted layer.
- Frost the top and side of the cake and make smooth with a spatula.
- Garnish you cake with colorful malt filled eggs and confectioners stars.