Old-Fashioned Chocolate Layer Cake

By mitzzy

Don’t make the frosting until the cakes are cooled, and use the frosting as soon as it is ready. If the frosting gets too stiff to spread easily, wrap the mixer bowl with a towel soaked in hot water adn mix on low speed until the frosting is creamy and smooth. Refrigerated leftover cake should sit at room temperature before serving until the frosting softens.

Ingredients

• 12 Tablespoons (1 1/2 sticks) unsalted butter, very soft, plus extra for greasing pans
• 1 3/4 cups all-purpose flour, plus extra for dusting pans
• 4 oz unsweetened chocolate, coarsley chopped
• 1/4 cup dutch-processed cocoa powder
• 1/2 cup hot water
• 1 3/4 C sugar
• 1 1/2 teaspoons baking soda
• 1 teaspoon table salt
• 1 cup buttermilk
• 2 teaspoons vanilla extract
• 4 large eggs, plus 2 large egg yolks

Preparation

Step 1

Adjust oven rack to middle position; heat to 350 degrees. Grease two 9-inch round by 2 inch high cake pans with butter; dust pans with flour and knock out excess. Combine chocolate, cocoa powder, and hot water in medium heatproof bowl; set bowl over saucepan containing 1 inch of simmering water and stir with rubber spatula until chocolate ins melted, about 2 minutes. Add 1/2 cup sugar to chocolate and stir until glossy, 1-2 minutes. Remove bowl from heat and set aside to cool.

Whisk flour, baking soda, and salt in medium bowl. Combine buttermilk and vanilla in small bowl. In bowl of stand mixer fitted with whisk attachment, whisk eggs and yolks on medium-low speed until combined, about 10 seconds. Add remaining 1 1/4 C sugar, increase speed to high, and whis until fluffy and lightened in color, 2-3 minutes. Replace whisk with paddle attachment. Add cooled chocolate mixture to egg/sugar mixture and mix on medium speed until thoroughly incorporated, 30-45 seconds, pausing to scrape down sides of bowl with rubber spatula as needed. Add softened butter 1 tablespoon at a time, mixing about 10 seconds after each addition. Add about 1/3 of flour mixture; mix at medium low speed until batter is thoroughly combined, about 15 seconds. Remove bowl from mixer and fold batter once or twice with rubber spatula to incorporate any remaining flour. Divide batter evenly between prepared cake pans; smooth batter to edges of pan with spatula.

Bake cakes until toothpick inserted into center comes out with a few crumbs attached, 25-30minutes. Cool cakes in pans 15 minutes, then invert onto wire rack. Cool cakes to room temperature before frosting, 45-60 minutes.