This creamy lemon mousse is a citrusy dream — light, fluffy, and bursting with real lemon flavor. With a smooth, cloud-like texture and a refreshing zing, it’s the perfect make-ahead dessert for spring brunches, summer dinners, or anytime you need a sweet and sunny treat. Made from fresh lemon juice, whipped cream, and egg custard, this mousse balances richness with bright acidity, giving you a dessert that’s both indulgent and invigorating.
Don’t miss our Lemon Truffles if you’re in love with lemony treats!
Ingredients for Creamy Lemon Mousse
Ingredient | Amount |
---|---|
Large eggs | 6 (3 whole + 3 separated) |
Granulated sugar | 1 cup + 2 tablespoons |
Lemon zest | 2 teaspoons |
Fresh lemon juice | ½ cup (from 3–4 lemons) |
Salt | A pinch |
Heavy whipping cream | 1 cup |
Instructions: How to Make Lemon Mousse
Step 1: Prepare the Custard Base
- In a large heatproof bowl, whisk together 3 whole eggs, 3 egg yolks, 1 cup of sugar, lemon zest, lemon juice, and a pinch of salt.
- Place this bowl over a saucepan with simmering water (double boiler method).
- Stir constantly for 10–15 minutes until the mixture thickens slightly.
Step 2: Chill the Mixture
- Remove from heat, cool for 15 minutes.
- Transfer to a bowl, press plastic wrap directly onto the surface, and refrigerate for 1–2 hours until completely cold.
Step 3: Fold in Beaten Egg Whites
- Beat the 3 reserved egg whites until frothy (about 1 minute).
- Gradually add the remaining 2 tablespoons of sugar and beat until stiff peaks form.
- Gently fold the whites into the chilled lemon base.
Step 4: Fold in Whipped Cream
- Beat the heavy cream until stiff peaks form.
- Fold whipped cream into the mousse mixture carefully until smooth and light.
Step 5: Chill & Serve
- Chill the assembled mousse for at least 30 minutes before serving.
- Garnish with whipped cream, fresh berries, or mint leaves.

Serving Suggestions for Creamy Lemon Mousse
- As a standalone dessert: Serve in ramekins or martini glasses topped with raspberries.
- In layered desserts: Use it as a light filling in trifles or cake rolls.
- Alongside cakes: Discover great ideas like this Lemon Custard Cake for a complete lemon-themed dessert platter.
Storage Tips
- Store lemon mousse in the refrigerator covered for up to 5 days.
- Avoid freezing as it may compromise the texture.
- Make it a day ahead to save time when entertaining guests.
Flavor Variations and Ideas
- Berry Lemon Mousse: Swirl in raspberry or strawberry purée.
- Coconut Lemon Mousse: Add a splash of coconut extract and top with toasted coconut.
- Lemon Cheesecake Mousse: Blend in cream cheese for a cheesecake twist.
Looking for inspiration? Try this Lemon Cheesecake: Creamy Zesty Dessert for another heavenly lemon delight.
Nutrition Information (per serving)
- Calories: 675 kcal
- Carbohydrates: 72g
- Protein: 13g
- Fat: 38g
- Sugar: 67g
- Vitamin C: 16.3mg
Related Recipes to Try
- Check out our Lemon Coconut Cheesecake Cookies for a chewy twist on lemon desserts.
- Don’t miss our Lemon Cream Puffs for another citrusy creamy treat.