What you will need
Cake Dry Ingredients
1½ cups (180g) flour
1 cup (100 g) Dutch processed cocoa powder
1 teaspoon salt (1/4 tsp if using salted butter)
1½ (7.2 g) teaspoons baking soda
½ (2 g) teaspoon baking powder
Cake Wet Ingredients
1½ cups stout / apple cider vinegar
1 tablespoon vanilla extract
1 tablespoon espresso powder
Cake Creamed Ingredients
1 cup (227 g) butter, softened
1½ cups (200 g) sugar
3 eggs
½ cup (115 g) mayonnaise
Optional
4 ounces dark chocolate, chopped
Buttercream
1½ cups (340.5 g) butter, softened
½ cup (50 g) Dutch processed cocoa powder
1 tablespoon vanilla extract
5 cups (600 g) powdered sugar
(Nutritional facts 356 calories, 12.74 g fat, 58.03 g carbohydrates, 3.17 g protein, 93 mg cholesterol, 267 mg sodium)How to cook
Preparation
1
Preheat oven to 325˚F (160˚C).
2
Grease and line three 8-inch cake tins with parchment paper.
Make the Cake
1
Combine the Dry Ingredients
In a large bowl, sift together the flour, cocoa powder, salt, baking soda, and baking powder. Set aside.
2
Combine the Wet Ingredients
In a large glass measuring cup, combine the stout, vanilla, and espresso powder. Set aside.
3
Combine the Creamed Ingredients
In a large mixing bowl, cream together the butter and sugar until it is light and fluffy, about 5 minutes, scraping down the sides occasionally to ensure all the ingredients are being evenly creamed together.
4
Beat in the eggs, one at a time, ensuring each egg is fully incorporated before adding the next.
5
Add the mayonnaise and beat until the mixture is smooth and creamy.
6
Combine the mixtures into Wet
Alternate adding the prepared dry and wet ingredients to the batter. Starting with about ⅓ of the dry ingredients, beat until incorporated. Then add ⅓ of the liquid ingredients, mixing until the batter comes together. Continue until all the wet and dry ingredients have been incorporated.
7
Using a rubber scraper, fold the dark chocolate chunks into the batter.
Bake the Cake
1
Using a rubber scraper, fold the dark chocolate chunks into the batter.
2
Distribute the batter evenly between the 3 prepared cake tins.
3
Bake for about 35 minutes, or until a toothpick inserted into the center of the cake comes out clean.
4
Let the Cake cooldown
Place the cakes on a cooling rack and leave to cool for about 10-15 minutes, until the outside of the pan is cool enough to touch.
5
Once the cakes have cooled, loosen the edges using a butter knife. Then place a large plate over the tin and invert to release the cake from the pan. Remove the parchment paper from the bottom of the cake and slide the cake back onto the cooling rack to cool completely. Repeat for the remaining two layers.
Make the Buttercream
1
While your cakes are cooling, prepare the buttercream.
2
In a large bowl, beat together the butter and vanilla.
3
Gradually add in the cocoa powder, powdered sugar, and milk, continuously beating until all the ingredients have been incorporated and the frosting is light and fluffy.
4
Decorate to your liking. Enjoy!
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