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Christmas Tree Cake

By America's Test Kitchen

Published on August 1, 2011

Yield

Serves 16 to 24

Christmas Tree Cake

Ingredients

2 cups heavy cream 16 ounces (454 grams) bittersweet chocolate 2 (13 by 9-inch) baked chocolate sheet cakes *3 cups easy chocolate buttercream *1 cup fresh or frozen cranberries, picked through1 large egg white, beaten lightly½ cup (3½ ounces/99 grams) sugar

Instructions

  1. For the glaze: Boil cream, pour over chocolate, and let sit 5 minutes. Stir until smooth, then cool until just warm. Set aside.
  2. For the cake: Trim each cake to measure 11 by 7 inches. Working with one cake, cut out one 7-inch square, one 4-inch square, and one 3-inch square. Working with second cake, cut out one 6-inch square, one 5-inch square, and one 2-inch square.
  3. To assemble: Use half of buttercream to frost each of the 6 layers separately; refrigerate until buttercream hardens (about 10 minutes). Refrost layers with half of remaining buttercream, smoothing as much as possible; refrigerate until hardened. Slowly pour and spread glaze over each layer, smoothing surface with spatula; refrigerate 10 minutes, then stack layers in order of descending size (starting with the 7-inch square on the bottom), off-setting each layer by 45 degrees.
  4. To serve: Toss cranberries with egg white until well coated. (Use reconstituted powdered egg white if desired.) Using dinner fork, lift a few berries from white, allow excess to drain, then toss in sugar until coated. Repeat egg white dip and sugar coating with remaining berries. Using remaining buttercream in a pastry bag, pipe decorative border along base of each layer. Arrange cranberries on and around tree. Dust with powdered sugar if desired. To serve cake, remove layers and cut individual pieces.
  5. *Use our chocolate cake and easy chocolate buttercream recipes, or use your favorite.
Christmas Tree Cake

Christmas Tree Cake

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By America's Test Kitchen
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Yield

Serves 16 to 24

Ingredients

2 cups heavy cream
16 ounces (454 grams) bittersweet chocolate
2 (13 by 9-inch) baked chocolate sheet cakes *
3 cups easy chocolate buttercream *
1 cup fresh or frozen cranberries, picked through
1 large egg white, beaten lightly
½ cup (3½ ounces/99 grams) sugar

Test Kitchen Techniques

Ingredients

2 cups heavy cream
16 ounces (454 grams) bittersweet chocolate
2 (13 by 9-inch) baked chocolate sheet cakes *
3 cups easy chocolate buttercream *
1 cup fresh or frozen cranberries, picked through
1 large egg white, beaten lightly
½ cup (3½ ounces/99 grams) sugar

Test Kitchen Techniques

Ingredients

2 cups heavy cream
16 ounces (454 grams) bittersweet chocolate
2 (13 by 9-inch) baked chocolate sheet cakes *
3 cups easy chocolate buttercream *
1 cup fresh or frozen cranberries, picked through
1 large egg white, beaten lightly
½ cup (3½ ounces/99 grams) sugar

Test Kitchen Techniques

Why This Recipe Works

This elegant holiday cake looks hard to make—but looks can be deceiving. We started our Christmas Tree Cake recipe with two regular chocolate sheet cakes, cutting them into squares of varying sizes. We then set each square on top of another, and decorated them with buttercream frosting and sugar-coated cranberries. To “glue" the sugar coating onto the cranberries, we used egg whites.

Instructions

  1. For the glaze: Boil cream, pour over chocolate, and let sit 5 minutes. Stir until smooth, then cool until just warm. Set aside.
  2. For the cake: Trim each cake to measure 11 by 7 inches. Working with one cake, cut out one 7-inch square, one 4-inch square, and one 3-inch square. Working with second cake, cut out one 6-inch square, one 5-inch square, and one 2-inch square.
  3. To assemble: Use half of buttercream to frost each of the 6 layers separately; refrigerate until buttercream hardens (about 10 minutes). Refrost layers with half of remaining buttercream, smoothing as much as possible; refrigerate until hardened. Slowly pour and spread glaze over each layer, smoothing surface with spatula; refrigerate 10 minutes, then stack layers in order of descending size (starting with the 7-inch square on the bottom), off-setting each layer by 45 degrees.
  4. To serve: Toss cranberries with egg white until well coated. (Use reconstituted powdered egg white if desired.) Using dinner fork, lift a few berries from white, allow excess to drain, then toss in sugar until coated. Repeat egg white dip and sugar coating with remaining berries. Using remaining buttercream in a pastry bag, pipe decorative border along base of each layer. Arrange cranberries on and around tree. Dust with powdered sugar if desired. To serve cake, remove layers and cut individual pieces.
  5. *Use our chocolate cake and easy chocolate buttercream recipes, or use your favorite.

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