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In the Oven: Lemon Drop Cake

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Rev up your ovens, bakers – we’re making a bright, lemon-y cake. Posting date is December 16!

Lemon Drop Cake
 
Author: Matt Lewis & Renato Poliafito
Serves: 1 (8-inch) cake
Ingredients
  • For the lemon drop cake layers
  • 2 1/2 cups cake flour
  • 3/4 cup all-purpose flour
  • 1 tablespoon baking powder
  • 1 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1/2 cup (1 stick) unsalted butter, softened
  • 1/2 cup vegetable shortening, at room temperature
  • 1 3/4 cup sugar
  • 1 tablespoon pure vanilla extract
  • Grated zest of one lemon
  • 1 large egg
  • 1 1/2 cups ice cold water
  • 3 large egg whites, at room temperature
  • 1/4 teaspoon cream of tartar
  • For the lemon curd filling
  • 3/4 cup fresh lemon juice (from about 6 lemons)
  • Grated zest of 2 lemons
  • 2 large eggs
  • 7 large egg yolks
  • 3/4 cup sugar
  • 4 tablespoons (1/2 stick) butter, at room temperature
  • For the lemon drop frosting
  • 1 1/2 cups sugar
  • 1/3 cup all-purpose flour
  • 1 1/2 cups milk
  • 1/3 cup heavy cream
  • 1 1/2 cups (3 sticks) unsalted butter, soft but cool, cut into small pieces
  • 1 teaspoon pure vanilla extract
  • 1/2 cup lemon curd
  • To assemble the cake
  • 8 mini lemon candies
Instructions
Make the lemon cake layers
  1. Preheat the oven to 325 degrees F. Butter three 8-inch round cake pans, line the bottoms with parchment, and butter the parchment. Dust with flour, and knock out the excess flour.
  2. In a large bowl, sift the flours, baking powder, baking soda, and salt together. Set aside.
  3. In the bowl of an electric mixer fitted with the paddle attachment, beat the butter and shortening on medium speed until creamy, 3 to 4 minutes. Add the sugar, vanilla, and lemon zest and beat on medium speed until fluffy, about 3 minutes. Scrape down the sides and bottom of the bowl, add the egg, and beat just until combined. Reduce the speed to low. Add the flour mixture, alternating with the ice water, in three separate additions, beginning and ending with the flour mixture. Scrape down the bowl, then mix on low speed for a few more seconds.
  4. In a clean bowl, whisk the egg whites and cream of tartar until soft peaks form. Do not overbeat. Gently fold the egg whites into the batter.
  5. Divide the batter among the prepared pans and smooth the tops. Bake for 40 to 45 minutes, rotating the pans halfway through the baking time, until a toothpick inserted in the center of each cake comes out clean. Transfer the cakes to a wire rack and let cool for 20 minutes. Invert the cakes onto the rack, remove the pans, and let cool completely. Remove the parchment.
Make the lemon curd filling
  1. In a small bowl, pour the lemon juice over the lemon zest and let stand for 10 minutes to soften the zest.
  2. In a nonreactive bowl whisk the eggs, egg yolks, and sugar until combined. Add the lemon zest and lemon juice to the egg mixture and whisk until just combined.
  3. Place your bowl containing the egg mixture over a double boiler. Continuously stir the mixture with a heatproof spatula until the mixture has thickened to a pudding-like texture, about 6 minutes.
  4. Remove the bowl from the heat and whisk in the butter until emulsified. Strain the mixture through a fine-mesh sieve. Take a sheet of plastic wrap and press it into the mixture and around the bowl so that the curd does not form a skin.
  5. Set the lemon curd aside while you make the frosting. Do not refrigerate the curd unless you are saving it for future use.
Make the lemon drop frosting
  1. In a medium heavy-bottomed saucepan, whisk the sugar and flour together. Add the milk and cream and cook over medium heat, whisking occasionally, until the mixture comes to a boil and has thickened, about 20 minutes.
  2. Transfer the mixture to the bowl of an electric mixer fitted with the paddle attachment. Beat on high speed until cool. Reduce the speed to low and add the butter; mix until thoroughly incorporated. Increase the speed to medium-high and beat until the frosting is light and fluffy.
  3. Add the vanilla extract and 1⁄2 cup of the freshly made lemon curd and con- tinue mixing until combined. If the frosting is too soft, put it in the refriger- ator to chill slightly then mix again until it is the proper consistency. If the frosting is too firm place the bowl over a pot of simmering water and beat with a wooden spoon until it is the proper consistency.
Assemble the cake
  1. Refrigerate the frosting for a few minutes (but no more) until it can hold its shape. Place one cake layer on a serving platter. Trim the top to create a flat surface and evenly spread about 1 cup of the remaining lemon curd on top. Add the next layer, trim, and fill with 1 cup of the lemon curd, then add the third layer and trim. Crumb coat the cake and refrigerate for about 15 minutes. Frost the sides and top of the cake with the frosting. Garnish with the candies and refrigerate for 15 minutes to firm up the finished cake.
 
Notes
[i]How to store: [/i]This cake will keep beautifully in a cake saver at room temperature (cool and humidity free) for up to 3 days. If your room is not cool, place the cake in a cake saver and refrigerate for up to 3 days. Remove the cake from the refrigerator and let it sit at room temperature for at least 2 hours before serving.