Lemon Mousse Cake Recipe: A Refreshing and Light Dessert for Every Occasion

When it comes to desserts that brighten up a gathering, few are as refreshing and light as a Lemon Mousse Cake. This perfect balance of tangy lemon flavor, smooth mousse, and airy cake texture makes it an ideal treat for spring and summer celebrations. Whether you’re hosting a family dinner, a special occasion, or simply craving something sweet, this Lemon Mousse Cake will definitely make an impression.

Lemon Mousse Cake

In this detailed guide, we’ll walk you through everything you need to know to make this delectable dessert, including the origins of the recipe, its key ingredients, a step-by-step preparation method, variations, and answers to some frequently asked questions. Let’s get started!

What is Lemon Mousse Cake?

A Lemon Mousse Cake is a layered dessert that combines a soft and fluffy lemon-flavored cake with a rich, airy mousse made from lemon curd and whipped cream. It has a light, refreshing taste that’s balanced by the sweetness of the mousse and the tartness of the lemon curd. This cake is often served chilled, making it perfect for warm weather or any event that calls for a delicate, yet delicious dessert.

The Origin of Lemon Mousse Cake

The Lemon Mousse Cake combines elements from various classic desserts, like lemon curd and mousse-based treats, but its exact origin remains somewhat of a mystery. Mousse itself, derived from the French word for “foam,” has been a staple in French dessert culture for centuries. The lemon curd component is typically found in British desserts, with its origins dating back to the 19th century.

The fusion of lemon curd and mousse, however, is more of a modern creation, resulting in a dessert that beautifully marries the two flavors in a delicate cake form. This cake is often seen in both casual and sophisticated settings due to its balanced flavor profile and light texture.

Ingredients for Lemon Mousse Cake

Lemon Mousse Cake

Let’s break down the ingredients you’ll need to create this refreshing treat. The recipe is divided into three parts: the cake, the lemon mousse, and the lemon curd (if you choose to make it from scratch).

Cake:

  • 1 ½ cups all-purpose flour – The base of the cake, providing structure.
  • 1 teaspoon baking powder – Helps the cake rise and become fluffy.
  • ½ teaspoon baking soda – Adds leavening to the cake for a soft texture.
  • ¼ teaspoon salt – Enhances the flavors and balances the sweetness.
  • ½ cup unsalted butter, softened – Adds richness to the cake.
  • 1 cup granulated sugar – Provides the sweetness needed for the cake.
  • 2 large eggs – Acts as the binding agent in the cake batter.
  • 1 teaspoon vanilla extract – Adds depth to the flavor.
  • ½ cup buttermilk – Gives the cake a tender crumb and moisture.
  • Zest of 1 lemon – Adds a fresh, aromatic lemon flavor.

Lemon Mousse:

  • 1 cup heavy whipping cream – The base of the mousse, providing a creamy texture.
  • ½ cup powdered sugar – Sweetens the mousse without altering its texture.
  • 1 teaspoon vanilla extract – Enhances the flavor of the mousse.
  • 1 cup lemon curd (store-bought or homemade) – Adds the rich lemon flavor.
  • 1 tablespoon gelatin (optional, for stability) – Helps the mousse set.
  • 3 tablespoons cold water (if using gelatin) – Activates the gelatin.

Homemade Lemon Curd:

  • 3 large eggs – The base for thickening the curd.
  • 1 cup granulated sugar – Adds sweetness to balance the tang of lemon.
  • ½ cup fresh lemon juice – Provides the tangy flavor that defines lemon curd.
  • Zest of 2 lemons – Enhances the lemon flavor.
  • ½ cup unsalted butter, cut into pieces – Adds creaminess to the curd.

Step-by-Step Directions and Preparation Method

Now that we have all the ingredients in place, let’s walk through the preparation of the Lemon Mousse Cake.

 1: Prepare the Lemon Curd (If Making Homemade)

  1. In a saucepan, whisk together eggs, sugar, lemon juice, and lemon zest. Stir continuously over medium heat.
  2. After about 10 minutes, the mixture will thicken and coat the back of a spoon. Remove from heat.
  3. Stir in the butter until melted and smooth.
  4. Strain the curd through a fine sieve into a clean bowl to remove any lumps.
  5. Let it cool to room temperature and then refrigerate until set (around 2-3 hours).

 2: Make the Cake

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan.
  2. In a medium bowl, whisk together flour, baking powder, baking soda, and salt.
  3. In a large mixing bowl, cream the butter and granulated sugar until light and fluffy.
  4. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract and lemon zest.
  5. Gradually add the dry mixture to the wet ingredients, alternating with the buttermilk. Begin and end with the dry ingredients, mixing just until combined.
  6. Pour the batter into the prepared pan, smoothing the top.
  7. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
  8. Allow the cake to cool in the pan for 10 minutes before transferring to a wire rack to cool completely.

 3: Make the Lemon Mousse

  1. In a mixing bowl, whip the heavy cream and powdered sugar until soft peaks form.
  2. Add the vanilla extract and continue whipping until stiff peaks form.
  3. In a separate small bowl, if using gelatin, sprinkle it over the cold water and let it bloom for about 5 minutes. Heat gently until dissolved.
  4. Gently fold the lemon curd into the whipped cream until fully combined. If using gelatin, fold it in now for extra stability.

 4: Assemble the Cake

  1. Once the cake has cooled completely, slice it horizontally into two equal layers.
  2. Place the bottom layer on a serving plate. Spread half of the lemon mousse over it.
  3. Top with the second layer of cake. Spread the remaining mousse on top.
  4. Refrigerate the assembled cake for at least 2 hours to allow it to set properly.

 5: Serve

Before serving, garnish the cake with additional lemon zest, whipped cream, or fresh berries for an extra touch of flavor and color.

Variations of Lemon Mousse Cake

While the Lemon Mousse Cake is already an exquisite dessert, you can personalize it with several variations to suit your taste or dietary preferences:

  • Add berries: Incorporate fresh berries like raspberries or blueberries between the layers for an added burst of flavor and color.
  • Lemon and coconut: Add shredded coconut to the cake batter for a tropical twist that complements the lemon flavor beautifully.
  • Gluten-free option: Replace the all-purpose flour with a gluten-free flour blend for a gluten-free version of this cake.
  • Sugar-free version: Use a sugar substitute in both the cake and mousse to create a lower-sugar option for those watching their sugar intake.

Frequently Asked Questions (FAQs)

1. Can I use store-bought lemon curd for this recipe?
Yes, you can absolutely use store-bought lemon curd if you prefer a quicker version. However, making your own lemon curd from scratch can elevate the flavor and texture of the cake.

2. Can I prepare the cake ahead of time?
Yes, the cake can be baked a day in advance and stored in an airtight container. Just be sure to allow it to cool completely before storing it.

3. Can I make this cake without gelatin?
Yes, gelatin is optional and is primarily used to provide extra stability to the mousse. If you prefer a lighter mousse, you can omit the gelatin.

4. How long can I store leftovers?
Leftover Lemon Mousse Cake can be stored in the refrigerator for up to 3 days. Just be sure to cover it well to prevent it from drying out.

Conclusion

The Lemon Mousse Cake is the perfect dessert to enjoy with friends and family during warmer months or any occasion where you want a light and refreshing treat. With its delicate balance of tangy lemon curd, airy mousse, and soft cake layers, it’s sure to be a hit at any gathering. By following the simple steps and variations, you can tailor it to your preferences, creating a dessert that’s uniquely yours.

So, whether you’re looking to impress guests at a spring gathering or simply enjoy a delightful treat, this recipe for Lemon Mousse Cake will undoubtedly satisfy your cravings for something sweet, refreshing, and beautifully balanced. Enjoy your delicious creation and the compliments that will surely follow!

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Lemon Mousse Cake

Lemon Mousse Cake Recipe: A Refreshing and Light Dessert for Every Occasion


  • Author: David Andersson
  • Total Time: 35 minutes (plus chilling time)
  • Diet: Vegetarian

Description

A Lemon Mousse Cake is a layered dessert that combines a soft and fluffy lemon-flavored cake with a rich, airy mousse made from lemon curd and whipped cream. It has a light, refreshing taste that’s balanced by the sweetness of the mousse and the tartness of the lemon curd. This cake is often served chilled, making it perfect for warm weather or any event that calls for a delicate, yet delicious dessert.


Ingredients

Scale

For the Cake:

  • 1 ½ cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ cup buttermilk
  • Zest of 1 lemon

For the Lemon Mousse:

  • 1 cup heavy whipping cream
  • ½ cup powdered sugar
  • 1 teaspoon vanilla extract
  • 1 cup lemon curd (store-bought or homemade)
  • 1 tablespoon gelatin (optional, for stability)
  • 3 tablespoons cold water (if using gelatin)

For the Lemon Curd (if making homemade):

  • 3 large eggs
  • 1 cup granulated sugar
  • ½ cup fresh lemon juice
  • Zest of 2 lemons
  • ½ cup unsalted butter, cut into pieces

Instructions

  1. Prepare the Lemon Curd (if making homemade):
    • In a saucepan, whisk together eggs, sugar, lemon juice, and lemon zest.
    • Cook over medium heat, stirring constantly until the mixture thickens and coats the back of a spoon (about 10 minutes).
    • Remove from heat and stir in the butter until melted and smooth.
    • Strain the curd through a fine sieve into a bowl. Let it cool, then refrigerate until set.
  2. Make the Cake:
    • Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan.
    • In a bowl, whisk together flour, baking powder, baking soda, and salt.
    • In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
    • Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract and lemon zest.
    • Gradually add the dry ingredients to the wet mixture, alternating with the buttermilk, starting and ending with the flour mixture. Mix until just combined.
    • Pour the batter into the prepared cake pan and smooth the top. Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean.
    • Let the cake cool in the pan for 10 minutes, then turn it out onto a wire rack to cool completely.
  3. Prepare the Lemon Mousse:
    • In a mixing bowl, whip the heavy cream and powdered sugar until soft peaks form. Add the vanilla extract and continue to whip until stiff peaks form.
    • In a separate bowl, if using gelatin, sprinkle it over cold water and let it bloom for about 5 minutes. Then, heat gently until dissolved.
    • Gently fold the lemon curd into the whipped cream until well combined. If using gelatin, fold it in now.
  4. Assemble the Cake:
    • Once the cake is completely cool, slice it in half horizontally to create two layers.
    • Place one layer on a serving plate. Spread half of the lemon mousse over the first layer, then top with the second layer of cake.
    • Spread the remaining mousse on top of the second layer. Refrigerate for at least 2 hours to set.
  5. Serve:
    • Before serving, you can garnish with additional lemon zest, whipped cream, or fresh berries.

Notes

Light, zesty, and refreshingly creamy, this lemon mousse cake is a perfect finish to any meal—especially on warm days. Chill it well before serving to let the layers set beautifully. For an elegant touch, top with whipped cream, lemon zest, or fresh berries. You can even make it a day ahead—it’s one of those desserts that gets better overnight!

  • Prep Time: 25 minutes
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Chilling
  • Cuisine: American

Keywords: Lemon Mousse Cake Recipe

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