CITRUS MOUSSE CAKE WITH BUTTERCREAM FROSTING

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Citrus Mousse Cake with Buttercream Frosting image

This tall, tangy lemon cake filled with layers of lime mousse and frosted with white buttercream is just the thing for a birthday, bridal shower, or other especially delicious occasion.

Provided by Martha Stewart

Categories     Food & Cooking     Dessert & Treats Recipes     Cake Recipes

Time 4h15m

Number Of Ingredients 12

2 1/2 sticks unsalted butter, room temperature, plus more for pans
3 3/4 cups unbleached all-purpose flour, plus more for pans
3 1/4 teaspoons baking powder
1/4 teaspoon baking soda
2 teaspoons kosher salt
2 1/2 cups sugar
2 teaspoons finely grated lemon zest, plus 1/4 cup fresh juice
5 large eggs, room temperature
1 1/2 cups buttermilk, room temperature
Citrus Mousse Filling
4 cups Italian Meringue Buttercream
Edible flowers, meringues, confetti candies, and candy pearls, for decorating (optional)

Steps:

  • Preheat oven to 325 degrees. Butter two 8-by-2-inch round cake pans. Line with parchment; butter parchment. Dust with flour, tapping out excess.
  • Whisk together flour, baking powder, baking soda, and salt until thoroughly combined, 30 seconds. Beat butter with sugar and zest until light and fluffy. Beat in eggs, one at a time, thoroughly combining after each addition and scraping down bowl as needed. Beat in lemon juice. With mixer on low, add flour mixture in 3 batches, alternating with buttermilk and beginning and ending with flour.
  • Divide batter evenly between prepared pans, smoothing tops with an offset spatula. Bake, rotating pans halfway through, until tops spring back when lightly touched and are light golden, about 1 hour, 10 minutes. Transfer pans to wire racks; let cool 10 minutes. Turn out of pans, remove parchment, and let cool completely, about 2 hours. Cakes can be made to this point and refrigerated, well wrapped in plastic, up to 1 day.
  • Trim tops of cakes flat. Split each cake horizontally into 3 equal layers. Line an 8-inch cake pan with 2 parchment strips, leaving a 3-inch overhang on all sides. Place 1 cake layer in pan, bottom-side down. Spread 1 cup mousse evenly over it; top with a second cake layer. Repeat, spreading 1 cup mousse between each layer. Finish with a cake layer, bottom-side up. Refrigerate, covered in plastic, at least 1 hour and up to overnight.
  • Turn cake out of pan onto a cake plate. Spread 1 cup buttercream evenly over top and sides to create a crumb coat. Refrigerate 15 minutes. Spread remaining 3 cups buttercream over top and sides. Decorate as desired.

TES 444
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This cake was a disappointment. The mousse was too dense and the buttercream frosting was too heavy. I wouldn't recommend this recipe.


Johnathan Hickson
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This cake is a bit too sweet for my taste, but it's still very good. I would recommend using less sugar in the frosting next time.


Francisco Jr Valencia
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I love the combination of citrus and mousse in this cake. It's so refreshing and light.


King Gautam
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This cake is perfect for any occasion. I've made it for birthdays, anniversaries, and even just because. It's always a hit.


Baburam pokhrel
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I'm not a baker, but this cake was easy enough for me to make. It turned out great and tasted even better.


Camyria Ard
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This cake was easy to make and turned out great! I used a lemon-lime soda instead of the orange juice, and it gave the cake a really nice flavor.


evans elvis-nzerogu
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I made this cake for my daughter's birthday and she loved it! The cake was moist and flavorful, and the frosting was creamy and sweet. It was a perfect birthday cake.


Wahid Jaan
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This cake was a bit more work than I expected, but it was worth it. The end result was a beautiful and delicious cake that everyone loved.


Mara Bhi
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I'm not usually a fan of mousse cakes, but this one changed my mind. The citrus flavor was so refreshing and the mousse was so light and airy. I could have eaten the whole cake myself!


Lacey Brandt
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This citrus mousse cake was a hit at my dinner party! The combination of tangy citrus and creamy mousse was divine, and the buttercream frosting added the perfect touch of sweetness. I will definitely be making this cake again.