Friday, April 23, 2021

Chocolate Orange Cake


A friend had her baby shower recently, and she requested a chocolate orange cake. I realized that I hadn't made this combo before, BUT I  had made all the components, so this is a bit of Frankenstein cake, complete with chocolate cake, chocolate buttercream, chocolate ganache, orange marmalade, and candied oranges! It weighs about 20 pounds, and now all of us that ate it feel about 20 pounds heavier. Worth it. I highly suggest that you make this a TWO day cake process. Start with the candied oranges the day before so they have time to dry out. This recipe makes a three layer 9-inch round cake.  
For the candied oranges:

I used this recipe for the candied oranges with slight modifications.

1 1/2 navel oranges sliced into about 1/8 - 1/4 inch thick.
2 cups granulated sugar
2 cups water
2 tbsp orange juice (from the other half of the second orange)

1. Put a pot of water on the stove to boil.
2. Make an ice bath in a large bowl and set by the boiling water.
3. Place orange slices in the boiling water for about one minute and then transfer them to the ice bath to cool. *The recipe said to drain them before the next step.... I didn't. I just kept them in the ice bath until my syrup was ready.
4. Bring the 2 cups water, granulated sugar, and orange juice to a boil on the stove. Once the sugar has dissolved, reduce to medium-low heat. Add orange slices in a single layer. *mine was not a single layer... It was still okay.
5. Simmer the orange slices for about 45 - 60 minutes, flipping every 15 minutes, until the rinds are slightly translucent.

6. Place orange slices on a cooling rack (preferably with something underneath to catch the drip) and allow to cool completely. *the recipe says at least an hour up to overnight. I did two hours, and it's fine, but I think next time I will do it overnight. For this cake application, two hours is fine. For like candy, overnight probably makes for a better chew. *Also, once they set up, I cut them in half to be able to place on the cake. Definitely wait until they have hardened!

7. Dust with additional granulated sugar to help with the stickiness.

8. RESERVE the syrup! That's your soak for the cake!

 For the batter:

2 c granulated sugar 
2 1/2 c flour 
1 c cocoa powder 
3 eggs 
3/4 c vegetable oil 
2 tsp baking powder
1.5 tsp baking soda
1 tsp salt
1 c boiling water 
1/2 c buttermilk 
1 tsp vanilla extract

1. Preheat oven to 350F. Grease three 8-inch round pans using goop.
2. Combine sugar and vegetable oil in stand mixer fitted with paddle attachment.
3. Add eggs one at a time until incorporated. Add in vanilla extract as well.
4. In a separate bowl, combine the dry ingredients.
5. Alternate dry ingredients and buttermilk, incorporating each into the batter before adding more. Start and end with the dry ingredients.
6. Add the hot water *make sure your speed is on the lowest!* to the batter a little at a time. Once all incorporated, scrape down the sides of the bowl, and then turn to medium-high speed and whip for one minute. This batter will look really loose, but that's how it should be.
7. Pour batter evenly into cake pans.
8. Bake for 18-22 minutes or until a toothpick inserted comes out clean.
9. Let cool on cooling rack. Turn out cakes when still a bit warm. Allow to cool completely before icing.

For the buttercream frosting:
4 sticks unsalted butter, room temperature *yes, this is pretty butter-heavy; trust me, it's delicious
1 c cocoa powder
4 c powdered sugar
1/4 tsp salt
1 tsp vanilla

1. Put butter into stand mixer fitted with paddle attachment.
2. Sift cocoa powder and powdered sugar together. *I don't sift unless I need to. You know this, but with a frosting, it's best to sift.
3. Pour sugar mixture into butter a little at a time until incorporated. Add salt and vanilla.

For the Ganache:
1 c heavy cream
12 oz semi-sweet chocolate chips 
4 tbsp (half a stick) unsalted butter, room temp - I almost ALWAYS don't do room temp because I forget to pull the butter out for this; it's fine; just takes a few more mins to melt
Pinch of salt
1 tsp vanilla extract

1. Place the heavy cream in a small pan on the stove and heat until just at a simmer. You don't want this to boil.
2. While the cream is heating, put your chocolate and butter chopped into small cubes into a heat safe bowl.
3. Once the cream has heated, pour over the chocolate and butter and cover bowl with plastic wrap for about 5 minutes. *This just ensures that your chocolate will melt and be easier to incorporate.
4. Stir the ingredients together. At first it will look like they aren't coming together. They will. Once it's smooth, I add some salt and vanilla to taste, and make sure to fully incorporate it.
5. You will want this to sit for a while so that it is pourable but will not fall off the cake. We want drips.

Assembly:
You will also need:
18 oz orange marmalade

1. Put a dollop of buttercream on cake stand to prevent slippage. Add first cake layer.

2. With a pastry brush, soak the cake with some of the orange simple syrup reserved from making the candied oranges. 
3. Put about 1/4 of the buttercream into a piping bag. Pipe a ring around the top of the first layer- this is a dam to hold in the marmalade. 
4. Spread marmalade on the cake. 

5. Top with second layer- repeat. 
6. Top with final layer. Cover the cake with buttercream. 
7. Slowly pour the chocolate ganache on the cake. Start to push some of it off the sides at intervals to create organic drips. *I put my ganache in the fridge to firm up a bit because I was impatient... then it was a little too firm. If that happens, put the ganache over a double-boiler to loosen a bit. 

8. Decorate with additional buttercream and orange slices.  

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