Lemon Mousse Recipe

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Servings: 6 servings

2 hrs 30 mins

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This Lemon Mousse is what happens when rich, silky lemon curd meets clouds of freshly whipped cream. It’s bright, airy, and melts on your tongue with the perfect balance of sweet and tangy. No gelatin, no fuss, just a stunning and delicious dessert.

If you love this recipe, you should try my other lemon recipes Lemon Ricotta Cookies, Easy Lemon Posset, and Lemon Cream Cheese Bars.

One serving of lemon mousse in a bowl with garnish and more ingredients in the background.
Icon of a lemon.

Quick Look: Lemon Mousse Recipe

  • Prep Time – 20 minutes
  • Cook Time – 10 minutes
  • Total Time – 2 hours (includes chilling)
  • Servings – 6
  • Dietary Info – Gluten-free
  • Method – Stovetop + folding
  • Technique – Emulsified curd + whipped cream
  • Flavor/Texture – Light, creamy, silky, bright citrus

Why You’ll Love This Dreamy Easy Lemon Mousse!

This is one of those desserts I keep coming back to- the lemon flavor is 100/10. The secret is taking your time with the homemade lemon curd, letting it become silky and rich, then gently folding in the cream so you keep that airy texture. It’s simple ingredients, done well… and looks like a fancy dessert, but simple with my tips and tricks.

I love that I can make and prep this ahead of time and keep it in the fridge! Perfect for entertaining and sure to be loved by your guests.

You’ll also love my Easy Lemon Loaf Cake and Lemon Olive Oil Cake.

Made With Amore,

Simple Ingredients

These simple ingredients come together to create a light, creamy lemon mousse bursting with bright citrus flavor.

  • Whole Eggs: Create the rich, silky custard base that gives the mousse its smooth texture
  • Lemon Zest And Juice: Add bright, fresh citrus flavor and are the true star of the recipe
  • Sugar: Balances the tartness of the lemon while sweetening the mousse perfectly
  • Butter: Adds richness and a glossy finish to the lemon curd base
  • Heavy Cream and Powdered Sugar: Whip into a light, airy topping that makes the mousse fluffy and creamy

See recipe card for full information on ingredients and quantities.

Variations & Substitutions

  • Citrus Variations: Swap lemons with blood oranges or limes for a different bright, citrusy flavor profile
  • Vanilla Addition: Add a splash of vanilla extract to the whipped cream for extra warmth and depth
  • Mascarpone Variation: Fold in mascarpone cheese for a richer, more indulgent Italian-style mousse. If you like this flavor profile, try my Lemon Tiramisu!
  • Parfait Style: Layer the mousse with crushed cookies or graham crackers for an easy parfait-inspired dessert. You’ll love my No Bake Lemon Bars with Graham Cracker Crust.

How to Make Lemon Mousse

Silky smooth and perfectly balanced between sweet and tangy, this dessert feels both effortless and luxurious. Follow the step-by step photos and see the recipe card at the bottom for a printable version.

A bowl of unmixed eggs, salt, and lemon zest, with lemon juice being poured in.
  1. Make the Lemon Curd: In a medium saucepan, whisk together eggs, salt, sugar, lemon zest, and lemon juice until smooth.
Lemon curd in a pot after cooking on stove, with a wooden spoon showing some.
  1. Place over medium-low heat and cook, whisking constantly, until the mixture thickens and coats the back of a spoon, about 8–10 minutes. Do not let it boil.
Pats of butter inside the pot of lemon curd with a wooden spoon mixing it around.
  1. Remove from heat and stir in the butter until melted and glossy. Strain through a fine mesh sieve if you want it extra smooth. Let cool slightly, then cover and refrigerate for 1–2 hours until fully chilled and thickened.
Beaters in a bowl of whipped powdered sugar and heavy cream.
  1. Make the Whipped Cream: In a large bowl, whip the heavy cream and powdered sugar to stiff peaks.
Whipped cream and lemon curd being folded together by a spatula in a bowl.
  1. Make the Mousse: Gently fold the whipped cream into the chilled lemon curd in batches, using a spatula.
A bowl of fully combined lemon mousse.
  1. Fold slowly to keep the mixture light and airy. Divide into 6 serving glasses, ramekins, or cups. Chill for at least 30 minutes before serving.
One serving of lemon mousse in a bowl with garnish and more ingredients in the background.

Lemon Mousse FAQs

Make-Ahead, Storage, and SERVING inforamtion

You can make lemon mousse up to 2 days in advance. You can stored covered in the fridge up to 5 days. Serve cold, straight from the refrigerator for the best texture

Why didn’t my lemon curd thicken?

It likely needed more time on low heat. Keep whisking until it coats the back of a spoon.

Can I use store-bought lemon curd?

Yes, but homemade gives the best flavor and texture.

Serving Suggestions

This lemon mousse is the perfect light dessert to serve after a rich meal. I love pairing it after dishes like Ravioli with Mushroom Cream Sauce, Mushroom Ragu with Creamy Polenta, or Gnocchi Alla Sorrentina, where the bright citrus flavor refreshes the palate beautifully. It’s also lovely served alongside fresh berries, Italian Butter Cookies, or No Bake Lemon Bars for a simple dessert spread.

One serving of lemon mousse in a bowl with garnish and more ingredients in the background and a spoon resting inside.

My Pro Tips

Recipe Tips

  • Use fresh lemon juice only – bottled will taste flat
  • Zest before juicing – always easier
  • If the curd gets too thick, whisk in 1 teaspoon warm water
  • Fold in thirds – this keeps the mousse light and fluffy
  • Chill overnight for the best texture

More No Bake Dessert Recipes

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Lemon Mousse Recipe

Servings: 6 servings
Prep: 20 minutes
Cook: 10 minutes
Chill Time: 2 hours
Total: 2 hours 30 minutes
One serving of lemon mousse in a bowl with garnish and more ingredients in the background.
This lemon mousse is what happens when rich, silky lemon curd meets clouds of freshly whipped cream. It’s bright, airy, and melts on your tongue with the perfect balance of sweet and tangy. No gelatin, no fuss, just a stunning dessert that feels elegant but comes together so simply.

Ingredients 

For the Lemon Curd

  • 6 large eggs, room temperature
  • ¼ teaspoon sea salt
  • ¾ cup granulated sugar
  • Zest of 2 lemons
  • cup fresh lemon juice
  • 1 tablespoon butter

For the Mousse

  • 1 cup heavy whipping cream, cold
  • 2 tablespoons powdered sugar

Instructions 

Make the Lemon Curd

  • In a medium saucepan, whisk together eggs, salt, sugar, lemon zest, and lemon juice until smooth.
  • Place over medium-low heat and cook, whisking constantly, until the mixture thickens and coats the back of a spoon, about 8–10 minutes. Do not let it boil.
  • Remove from heat and stir in the butter until melted and glossy.
  • Strain through a fine mesh sieve if you want it extra smooth.
  • Let cool slightly, then cover and refrigerate for 1–2 hours until fully chilled and thickened.

Make the Whipped Cream

  • In a large bowl, whip the heavy cream and powdered sugar to stiff peaks.

Make the Mousse

  • Gently fold the whipped cream into the chilled lemon curd in batches, using a spatula. Fold slowly to keep the mixture light and airy.

Chill and Serve

  • Divide into 6 serving glasses or cups.
  • Chill for at least 30 minutes before serving.
  • Serve cold, optionally topped with fresh berries or extra lemon zest.

Notes

  • Use fresh lemon juice only – bottled will taste flat
  • Zest before juicing – always easier
  • If the curd gets too thick, whisk in 1 teaspoon warm water
  • Fold in thirds – this keeps the mousse light and fluffy
  • Chill overnight for the best texture

Nutrition

Calories: 322kcalCarbohydrates: 29gProtein: 7gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 2gMonounsaturated Fat: 6gTrans Fat: 0.1gCholesterol: 214mgSodium: 185mgPotassium: 101mgFiber: 0.1gSugar: 29gVitamin A: 880IUVitamin C: 2mgCalcium: 53mgIron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Dessert
Cuisine: Italian/ French
Tried this recipe?Mention @cucinabyelena or tag #cucinabyelena!

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About Elena Davis

My dream is to share delicious wholesome recipes that you will share around the table with all your loved ones. The memories surrounded by food are the heart and soul of CucinaByElena.

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