A new trick for lightening traditionally dense, heavy pound cakes
Lemon-Buttermilk Pound Cake

Lemon-Buttermilk Pound Cake

1½ hours 30 minutes active

8 Servings

Kathryn King, the pastry chef at Aria restaurant in Atlanta, taught us a new trick for lightening traditionally dense, heavy pound cakes — separating the eggs. Beating the whites gives the cakes a texture reminiscent of angel food cake, while the yolks and butter preserve the richness we want in pound cake. A touch of baking soda (unusual in such recipes) also lightens the finished cake. The combination of lemon zest and juice produced a deeper, more complex citrus flavor than we got from just one or the other. At Aria, slices of the cake are buttered and toasted, then served with fresh fruit and whipped cream.

Ingredients

  • cups (11 ounces) cake flour

  • ½

    teaspoon baking soda

  • ½

    teaspoon kosher salt

  • ¾

    cup buttermilk

  • 2

    tablespoons grated lemon zest plus 3 tablespoons juice (from 2 lemons)

  • 5

    large eggs, separated

  • 2

    cups (14 ounces) plus 3 tablespoons white sugar

  • 12

    tablespoons salted butter, room temperature

Directions

  1. 01
    Heat the oven to 325°F with a rack in the middle position. Coat a 12-cup nonstick Bundt pan with cooking spray, then dust with flour, tipping out any excess.
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  2. 02
    In a bowl, whisk together the flour, baking soda and salt. In a liquid measuring cup, combine the buttermilk and lemon juice. In a stand mixer with a whisk attachment, combine the egg whites and 3 tablespoons of sugar. Beat on medium-high until thick, billowy and very soft peaks form, about 2 minutes. Transfer the whites to a bowl and set aside, reserving the mixer bowl.
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  3. 03
    Add the remaining 2 cups of sugar and the lemon zest to the empty mixer bowl. Using the paddle attachment, mix on low until the sugar appears moistened and begins to clump, about 1 minute. Add the butter and mix on medium-low until the mixture is cohesive, then increase the mixer to medium-high and beat until pale and fluffy, about 3 minutes. Reduce the mixer to low and add the yolks, one at a time, mixing until incorporated after each. Scrape down the bowl and beater.
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  4. 04
    Add ⅓ of the flour mixture, then mix on low. Add ½ of the buttermilk mixture, then mix again. Repeat the process of adding and mixing, ending with the final ⅓ of flour. Using a silicone spatula, gently fold the egg whites into the batter until barely combined but no white streaks remain. Transfer the batter to the prepared pan and smooth the top. 
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  5. 05
    Bake until the cake is golden brown and bounces back when gently pressed, 55 to 65 minutes, rotating the pan halfway through baking. Cool the cake in the pan on a wire rack for 15 minutes, then remove from the pan and cool completely. To serve, slice, butter and briefly toast under the broiler (use the oven’s bottom shelf).
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Tip: Don’t overbeat the whites. They should appear smooth, moist, rich and glossy. To test, remove the whisk from the mixer and turn right-side up. The whites should form a soft, not stiff, peak. All ovens bake at different rates, so start checking the cake after 40 minutes and check frequently thereafter. The top should bounce back when lightly pressed with a finger or fork.

Lemon-Buttermilk Pound Cake

Get Ready to Cook

8

Servings

1½ hours

30 minutes active

Tip

Don’t overbeat the whites. They should appear smooth, moist, rich and glossy. To test, remove the whisk from the mixer and turn right-side up. The whites should form a soft, not stiff, peak. All ovens bake at different rates, so start checking the cake after 40 minutes and check frequently thereafter. The top should bounce back when lightly pressed with a finger or fork.

Ingredients

  • cups (11 ounces) cake flour

  • ½

    teaspoon baking soda

  • ½

    teaspoon kosher salt

  • ¾

    cup buttermilk

  • 2

    tablespoons grated lemon zest plus 3 tablespoons juice (from 2 lemons)

  • 5

    large eggs, separated

  • 2

    cups (14 ounces) plus 3 tablespoons white sugar

  • 12

    tablespoons salted butter, room temperature

Step 1 of 5

Preheat Oven and Prep Pan

Heat the oven to 325°F with a rack in the middle position.


Coat a 12-cup nonstick Bundt pan with cooking spray, then dust with flour, tipping out any excess.

Step 2 of 5

Combine Dry Ingredients, Start Wet Ingredients

cups (11 ounces) cake flour
½
teaspoon baking soda
½
teaspoon kosher salt
¾
cup buttermilk
3
tablespoons lemon juice
5
egg whites
3
tablespoons sugar

In a bowl, whisk together the flour, baking soda and salt.


In a liquid measuring cup, combine the buttermilk and lemon juice.


In a stand mixer with a whisk attachment, combine the egg whites and 3 tablespoons of sugar. Beat on medium-high until thick, billowy and very soft peaks form, about 2 minutes. Transfer the whites to a bowl and set aside, reserving the mixer bowl.

Step 3 of 5

Finish Mixing Wet Ingredients

2
cups sugar
2
tablespoons grated lemon zest
12
tablespoons salted butter, room temperature
5
egg yolks

Add the remaining 2 cups of sugar and the lemon zest to the empty mixer bowl. Using the paddle attachment, mix on low until the sugar appears moistened and begins to clump, about 1 minute.


Add the butter and mix on medium-low until the mixture is cohesive, then increase the mixer to medium-high and beat until pale and fluffy, about 3 minutes.


Reduce the mixer to low and add the yolks, one at a time, mixing until incorporated after each. Scrape down the bowl and beater.

Step 4 of 5

Combine Wet and Dry Ingredients

Add ⅓ of the flour mixture, then mix on low.


Add ½ of the buttermilk mixture, then mix again. Repeat the process of adding and mixing, ending with the final ⅓ of flour.


Using a silicone spatula, gently fold the egg whites into the batter until barely combined but no white streaks remain.


Transfer the batter to the prepared pan and smooth the top. 

Step 5 of 5

Bake, Cool, and Serve

Bake until the cake is golden brown and bounces back when gently pressed, 55 to 65 minutes, rotating the pan halfway through baking.


Cool the cake in the pan on a wire rack for 15 minutes, then remove from the pan and cool completely.


To serve, slice, butter and briefly toast under the broiler (use the oven’s bottom shelf).

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