Heavenly Lemon Mousse Cake: Zesty Deliciousness

Heavenly Lemon Mousse Cake: Zesty Deliciousness

Are you ready to dive into the delightful world of Lemon Mousse Cake? If you have a sweet tooth and a love for tangy lemon flavors, you’re in for a treat! In this article, we’ll explore everything you need to know about this heavenly dessert.

History of Lemon Mousse Cake

Believe it or not, Lemon Mousse Cake has a rich history that dates back centuries. Its origins can be traced to French cuisine, where mousse, a light and airy dessert, became popular in the 18th century. Over time, chefs experimented with different flavors, and the zesty taste of lemon was a natural choice to complement the delicate texture of mousse. Thus, the Lemon Mousse Cake was born, delighting taste buds around the world ever since.

How to Make Lemon Mousse Cake

Now, let’s get to the exciting part – making your very own Lemon Mousse Cake! The process may seem daunting at first, but with the right recipe and a little patience, you’ll be whipping up this delectable dessert in no time. Here’s a simple Lemon Mousse Cake Recipe to get you started:

Ingredients Breakdown:

1. Sponge Cake or Store-Bought Cake Mix:

   Sponge cake is a light and airy cake made with flour, sugar, eggs, and sometimes butter. It has a delicate texture that pairs well with the fluffy lemon mousse. Alternatively, you can use a store-bought cake mix for convenience.

2. Heavy Cream:

   Heavy cream, also known as whipping cream, is a rich dairy product with a high-fat content. When whipped, it forms stiff peaks and adds richness and creaminess to the mousse.

3. Powdered Sugar:

   Powdered sugar, also called confectioner’s sugar, is finely ground sugar mixed with a small amount of cornstarch. It dissolves easily and helps sweeten the mousse while providing a smooth texture.

4. Vanilla Extract:

   Vanilla extract is a flavoring agent made from vanilla beans soaked in alcohol. It adds a subtle yet distinct vanilla flavor to the mousse, enhancing its overall taste.

5. Gelatin Powder:

   Gelatin powder is a flavorless substance derived from collagen, usually obtained from animal bones or skin. When mixed with water and heated, it forms a gel-like substance that helps stabilize the mousse and gives it structure.

6. Water:

   Water is used to dissolve the gelatin powder and create the gelatin mixture. It acts as a solvent, allowing the gelatin to bloom and become fully hydrated before adding it to the mousse.

7. Lemon Juice:

   Lemon juice is an acidic liquid extracted from lemons. It provides the tangy and refreshing citrus flavor that is characteristic of Lemon Mousse Cake, adding brightness to the dessert.

8. Zest of 1 Lemon:

   Lemon zest is the outermost layer of the lemon peel, containing aromatic oils that are rich in flavor. It adds an intense lemony fragrance and flavor to the mousse, enhancing its citrus profile.

9. Lemon Slices and Fresh Mint Leaves for Garnish:

   Lemon slices and fresh mint leaves are used to garnish the finished Lemon Mousse Cake. They not only enhance the visual appeal of the dessert but also provide additional hints of lemon and freshness.

Lemon Mousse Cake

Lemon Mousse Cake

Are you ready to dive into the delightful world of Lemon Mousse Cake? If you have a sweet tooth and a love for tangy lemon flavors, you're in for a treat! In this article, we'll explore everything you need to know about this heavenly dessert.
Prep Time 45 minutes
Cook Time 20 minutes
Cooling Time 2 hours
Total Time 3 hours 5 minutes
Course Dessert
Cuisine Western
Servings 12 Servings


For the cake:

  • 1 and 1/4 cups all-purpose flour 150g
  • 1/2 cup granulated sugar 100g
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter softened (113g)
  • 2 large eggs
  • 1/4 cup fresh lemon juice 60ml
  • Zest of 2 lemons
  • 1/2 cup buttermilk 120ml

For the lemon curd:

  • 3 large egg yolks
  • 1/2 cup granulated sugar 100g
  • 1/4 cup fresh lemon juice 60ml
  • Zest of 1 lemon
  • 1/4 cup unsalted butter 57g, cubed

For the lemon mousse:

  • 1 and 1/2 teaspoons unflavored gelatin 4g
  • 2 tablespoons cold water 30ml
  • 1/2 cup fresh lemon juice 120ml
  • 1 cup heavy cream 240ml
  • 1/2 cup powdered sugar 60g
  • Zest of 1 lemon


Make the cake:

  • Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan.
  • In a mixing bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
  • Add softened butter to the dry ingredients and mix until crumbly.
  • Beat in eggs one at a time, then mix in lemon juice, lemon zest, and buttermilk until well combined.
  • Pour the batter into the prepared cake pan and bake for about 20-25 minutes, or until a toothpick inserted into the center comes out clean.
  • Let the cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.

Make the lemon curd:

  • In a heatproof bowl, whisk together egg yolks and sugar until well combined.
  • Stir in lemon juice and lemon zest.
  • Place the bowl over a pot of simmering water (double boiler method) and cook, stirring constantly, until the mixture thickens enough to coat the back of a spoon.
  • Remove from heat and stir in cubed butter until melted and smooth.
  • Cover with plastic wrap, pressing it directly onto the surface of the curd to prevent a skin from forming, and chill in the refrigerator until cold.

Make the lemon mousse:

  • In a small bowl, sprinkle gelatin over cold water and let it sit for 5 minutes to soften.
  • In a saucepan, heat lemon juice over low heat until warm but not boiling.
  • Stir in softened gelatin until dissolved. Set aside to cool slightly.
  • In a mixing bowl, whip heavy cream until soft peaks form.
  • Gradually add powdered sugar and continue to whip until stiff peaks form.
  • Gently fold in cooled lemon juice mixture and lemon zest until well combined.

Assemble the cake:

  • Cut the cooled cake horizontally into two layers.
  • Place one layer of cake on a serving plate or cake stand.
  • Spread a layer of lemon curd over the cake layer.
  • Carefully spread a layer of lemon mousse over the lemon curd.
  • Top with the second layer of cake.
  • Frost the top and sides of the cake with the remaining lemon mousse.
  • Chill the cake in the refrigerator for at least 2 hours before serving.
  • Garnish with additional lemon zest or whipped cream if desired.
  • Slice and serve chilled. Enjoy your Lemon Mousse Cake!
Keyword Lemon Mousse Cake

FAQs About Lemon Mousse Cake

Can I use a different citrus fruit instead of lemon?

Absolutely! You can experiment with other citrus fruits like lime or orange to create unique variations of the Lemon Mousse Cake.

Can I make the cake in advance?

Yes, you can prepare the Lemon Mousse Cake ahead of time and store it in the refrigerator for up to 2 days before serving.

Can I substitute gelatin powder with agar-agar for a vegetarian option?

Yes, agar-agar, a plant-based alternative to gelatin, can be used in place of gelatin powder. Follow the instructions on the agar-agar package for proper usage as substitution ratios may vary.

Can I adjust the sweetness of the mousse by changing the amount of powdered sugar?

Absolutely! Feel free to adjust the amount of powdered sugar according to your personal preference. Start with the recommended quantity and taste the mousse before adding more sugar if desired.

Can I make individual servings of Lemon Mousse Cake instead of one large cake?

Yes, you can assemble the Lemon Mousse Cake in individual serving glasses or ramekins for a stylish presentation. Simply layer the cake and mousse in each container and chill as directed.

How long does the Lemon Mousse Cake need to be set in the refrigerator before serving?

The Lemon Mousse Cake typically needs to chill in the refrigerator for at least 4 hours to set properly. However, for best results, it’s recommended to refrigerate the cake overnight to ensure a firm texture.


In conclusion, Lemon Mousse Cake is a delightful dessert that combines the refreshing taste of lemon with the light and airy texture of mousse. Whether you’re a beginner baker or a seasoned pro, this recipe is sure to please your taste buds and impress your guests. So why wait? Get your apron on and start baking your very own Best Lemon Mousse Cake today!

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