Chocolate Cake with Vanilla Buttercream
Yield: 10 to 14 servings
Cake
1 cup boiling-hot water
3/4 cup unsweetened cocoa powder
1/2 cup whole milk
1 teaspoon vanilla
2 cups all-purpose flour
1 1/2 teaspoons baking soda
Rounded 1/2 teaspoon salt
2 sticks (1 cup) unsalted butter, softened
2 cups packed dark brown sugar
4 large eggs at room temperature for 30 minutes
4 cups vanilla buttercream
*Various food colorings
Put oven rack in middle position and preheat oven to 350°F. Butter 2 (9- by 2-inch) round cake pans and line bottom of each with a round of wax paper. Butter paper and dust pans with flour, knocking out excess.
Whisk together hot water and cocoa powder in a bowl until smooth, then whisk in milk and vanilla.
Whisk together flour, baking soda, and salt in another bowl.
Beat together butter and brown sugar in a large bowl with an electric mixer at medium-high speed until pale and fluffy, 3 to 5 minutes. Add eggs 1 at a time, beating well after each addition. Reduce speed to low and add flour and cocoa mixtures alternately in batches, beginning and ending with flour mixture (batter may look curdled).
Divide batter between cake pans, smoothing tops. Bake until a wooden pick or skewer comes out clean and edges of cake begin to pull away from sides of pans, 25 to 35 minutes total. Cool layers in pans on racks 10 minutes, then invert onto racks, removing wax paper, and cool completely.
Vanilla Buttercream
Yield: 6 cups
4 large egg whites at room temperature for 30 minutes
Rounded 1/4 teaspoon salt
2/3 cup water
1 1/3 cups plus 2 tablespoons sugar
4 sticks (2 cups) unsalted butter, cut into tablespoon pieces and softened
2 teaspoons vanilla
Combine whites and salt in a very large bowl. Stir together water and 1 1/3 cups sugar in a 3- to 4-quart heavy saucepan until sugar is dissolved, then bring to a boil over moderate heat, without stirring, brushing any sugar crystals down side of pan with a pastry brush dipped in water.
When syrup reaches a boil, start beating egg whites with an electric mixer at medium-high speed until frothy, then gradually add remaining 2 tablespoons sugar and beat at medium speed until whites just hold soft peaks. (Do not beat again until sugar syrup is ready.)
Meanwhile, put thermometer into sugar syrup and continue boiling until syrup registers 238 to 242°F. Immediately remove from heat and, with mixer at high speed, slowly pour hot syrup in a thin stream down side of bowl into whites, beating constantly. Beat, scraping down side of bowl with a rubber spatula, until meringue is cool to the touch, about 10 minutes in a standing mixer or 15 with a handheld. (It is important that meringue is properly cooled before proceeding.)
With mixer at medium speed, gradually add butter 1 piece at a time, beating well after each addition until incorporated. (Buttercream will look soupy after some butter is added if meringue is still warm. If so, briefly chill bottom of bowl in a large bowl filled with ice water for a few seconds before continuing to beat in remaining butter.) Continue beating until buttercream is smooth. (Mixture may look curdled before all of butter is added but will come back together by the time beating is finished.) Add vanilla and beat 1 minute more.
Cooks' notes:
Buttercream can be made 1 week ahead and chilled, covered, or frozen 1 month. Bring to room temperature (this may take up to 3 hours; do not use a microwave) and beat with an electric mixer before using.
Assemble cake:
Put 1 cake layer, rounded side up, on a cake stand or platter and, using offset spatula, spread top with about 1 cup buttercream. Top with remaining cake layer, rounded side down, and frost side and top of cake with 2 cups buttercream.
Decorate cake:
For each color (you can make up to 5), transfer 3 tablespoons buttercream to a separate small bowl and tint with food coloring. Snip off 1 corner of each plastic bag to create a 1/4-inch opening, then spoon each color of buttercream into a bag, pressing out excess air. Twist each bag firmly just above buttercream, then decoratively pipe colored buttercream onto cake. Chill cake until buttercream is set, about 30 minutes.
Just before serving, arrange 6 to 8 mini cupcakes on top of cake in 1 layer, then stack remaining mini cupcakes on top.
Cooks' notes:
Cake layers can be made 2 days ahead and kept, wrapped tightly in plastic wrap, at room temperature or frozen 2 weeks.
Cake can be assembled 4 hours ahead and kept at cool room temperature.
Mini Vanilla Cupcakes
Yield: 2 dozen
1 cup all-purpose flour
1 teaspoon baking powder
1/4 teaspoon salt
1/3 cup whole milk
1/2 teaspoon vanilla
3/4 stick (6 tablespoons) unsalted butter, softened
1/2 cup plus 1 tablespoon sugar
1 large egg
1 3/4 cups vanilla buttercream
*Various food colorings (optional)
Put oven rack in middle position and preheat oven to 350°F. Line muffin cups with liners.
Whisk together flour, baking powder, and salt in a bowl. Stir together milk and vanilla in a small bowl.
Beat together butter and sugar in a large bowl with an electric mixer at medium-high speed until pale and fluffy, about 4 minutes. Add egg and beat until just combined. Reduce speed to low, then add flour and milk mixtures alternately in batches, beginning and ending with flour and mixing until just combined.
Divide batter among muffin cups, filling them two-thirds full, and bake until tops are pale golden and a wooden pick or skewer inserted in centers comes out clean, about 15 minutes. Invert cupcakes onto a rack and cool completely.
For each color, transfer 1/4 cup buttercream to a separate small bowl and tint with food coloring (if using), then frost tops of cupcakes.
(Recipes from Gourmet magzine.)
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