instructions Make the Cake
instructions Preheat the oven to 300°F.
instructions Lightly grease and flour two 8-inch round cake pans.
ingredients 1 1/2 sticks (12 tablespoons) unsalted butter, softened
1 cup light brown sugar
1 cup granulated sugar
instructions In the bowl of an electric mixer, cream the butter and sugars.
ingredients 2 large eggs, plus 1 yolk
instructions Add the eggs and yolk and combine.
ingredients 1 1/2 cups all-purpose flour
2/3 cup unsweetened cocoa powder, sifted
2 teaspoons baking powder
1 teaspoon baking soda
instructions Whisk the remaining dry ingredients together, in a separate bowl.
ingredients 1 cup pumpkin puree
1/2 cup buttermilk
2 teaspoons vanilla extract
instructions Whisk the pumpkin puree together with the buttermilk and vanilla in another bowl.
instructions Alternate mixing dry ingredients with the pumpkin mixture into the egg mixture. Start with dry and end with wet.
instructions Divide the batter between the prepared cake pans.
instructions Bake for 30 to 40 minutes, until a toothpick inserted in the middle comes out clean.
instructions Let the cakes cool and unmold.
instructions Make the Frosting
ingredients 8 ounces cream cheese, softened
1/2 stick (4 tablespoons) unsalted butter, softened
instructions In the bowl of an electric mixer, cream the cream cheese and butter together until soft.
ingredients 4 cups confectioners' sugar
instructions Add the confectioners' sugar, blending in 1 cup at a time.
ingredients 1/2 cup whole milk
instructions Add the milk slowly, as needed, and mix until the frosting is smooth and creamy.
instructions Make the Glaze
ingredients 1/2 cup heavy cream
3 tablespoons light corn syrup
1 tablespoon unsalted butter
instructions Heat the heavy cream, corn syrup, and butter in a saucepan until boiling.
ingredients 1/2 cup semisweet chocolate chunks (52–62% cacao)
instructions Place the chocolate in a bowl.
instructions Pour the cream mixture over the chocolate until it is completely melted, mixing gently with a rubber spatula until the glaze is smooth.
instructions Assemble the Cake
instructions Slice each cake in half with a long serrated knife to create 4 thin layers.
instructions Place 1 bottom layer on a cake plate.
instructions Ice the top with 3 to 4 tablespoons frosting and repeat with the remaining layers.
instructions You will have a 4-layer unfrosted cake.
instructions Then use a cake spatula to mask the top and sides until the cake is evenly frosted.
instructions Set it in the fridge for 10 minutes.
instructions Then remove the cake from the fridge and pour the chocolate glaze over the center of the cake until the top is covered and the glaze runs over the sides, still showing some frosting.
instructions Let the glaze set and serve.