Ingredients
For the Coconut Pecan Filling:
- 1 1/2 cups evaporated milk (from one 12-ounce can)
- 4 large egg yolks
- 1 1/2 cups (300 grams) packed light brown sugar
- 3/4 cup (170 grams) unsalted butter, cut into small pieces
- 2 2/3 cups shredded or flaked sweetened coconut, one 7-ounce bag
- 1 1/2 cups chopped pecans, preferably toasted
- 2 teaspoons pure vanilla extract
- 1 dash fine salt
For the Cake:
- Cooking spray
- 2 cups (255 grams) all-purpose flour
- 1 3/4 cups (348 grams) granulated sugar
- 2/3 cup (60 grams) unsweetened natural cocoa powder
- 1 1/2 teaspoons baking soda
- 1 teaspoon baking powder
- 3/4 teaspoon fine salt
- 2 large eggs
- 1 cup buttermilk, well-shaken
- 1/2 cup vegetable or canola oil
- 2 teaspoons pure vanilla extract
- 1 cup boiling water
- 1 teaspoon espresso powder, optional
For the Optional Ganache:
- 2 cups (340 grams) semisweet chocolate chips
- 1 cup heavy cream
- 2 teaspoons pure vanilla extract
Methods
Prepare the Coconut Pecan Filling
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Gather the coconut-pecan filling and frosting ingredients.
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Combine the evaporated milk and egg yolks in a large saucepan (off heat) and whisk until well blended. Add the brown sugar and whisk to blend.
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Add the pieces of butter. Place the pan over medium heat. Cook, stirring constantly until the butter melts and the mixture thickens, about 12 to 15 minutes,
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Remove the pan from the heat and add the coconut, pecans, vanilla extract, and salt. Stir to blend and set aside to cool for about 1 hour. The filling will thicken as it cools. Meanwhile, make the cake.
Make the Cake
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Gather the ingredients for the cake.
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Position a rack in the center of the oven and heat to 350 F. Spray three 8-inch round cake pans and line with parchment paper.
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Sift the flour, sugar, cocoa powder, baking soda, baking powder, and salt into a large mixing bowl.
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In a separate medium bowl, whisk the eggs with the buttermilk, vegetable oil, and vanilla extract.
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Add the egg-buttermilk mixture to the flour-cocoa powder mixture, stirring until blended.
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Add the boiling water (and espresso powder if using) and mix until smooth. The batter will be pretty thin.
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Divide the batter evenly among the 3 cake pans. You will have about 16 ounces of batter in each pan.
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Bake the cake layers for 25 to 28 minutes, or until a toothpick inserted in the center comes out clean. Cool in the pans for 20 minutes.
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Remove from the pans and place on racks to cool completely.
Assemble the Layers
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Place a cake layer on a cake plate or stand and top with about 3/4 to 1 cup of filling. Add another cake layer and top with more filling.
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Finish with the third layer and top with the remaining filling. Leave a little space around the edge if you plan to decorate with piped ganache.
Finish With the Optional Ganache
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Gather the ganache ingredients.
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Place the chocolate chips in a heat-safe bowl; set aside.
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Heat the cream in a saucepan over medium heat. It should be hot and steaming, not boiling or bubbling.
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Pour the hot cream over the chocolate chips and let stand for 10 minutes without stirring.
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Whisk the cream and melted chocolate chips with the vanilla extract until smooth. If you see any unmelted chocolate lumps, place the bowl over a pan of simmering water and stir until the ganache is smooth.
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Let the ganache cool for about 1 hour, whisking every 10 minutes. The ganache should be thick enough to hold peaks. Beat the ganache with an electric mixer for about 5 minutes, until it is light and fluffy.
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Frost the side of the cake with the whipped ganache. If desired, pipe the remaining ganache around the edge of the cake.
Tips
- If you don’t have buttermilk, you can still make the cake with this simple substitute: Add 1 tablespoon of white vinegar or lemon juice to a 1 cup fluid measuring cup. Add milk to the 1-cup mark. Stir and let stand for 10 minutes before using.
- To ensure even baking, make sure your cake layers have at least 1 inch of space between the pans and the sides of the oven.
- To avoid curdling, make sure the egg yolks are blended with the milk and sugar before cooking and be sure to stir the mixture constantly.