Lemon Mousse Cups Shortbread

Featured in: Baking & Sweet Treats

This dessert features vibrant lemon mousse layered in individual cups, balanced by buttery homemade shortbread. Creamy citrus mousse is created by folding whipped cream and softly beaten egg whites into a lemon curd base for a delightfully airy texture. The accompanying shortbread is rich, crumbly, and subtly sweet, providing a perfect contrast to the tart mousse. Chill the mousse for at least an hour before serving to set. Garnish with fresh berries, extra lemon zest, or mint for a beautiful final touch. Serve as an elegant treat for special occasions or a refreshing finish to any meal.

Updated on Tue, 17 Mar 2026 02:01:25 GMT
Lemon mousse cups with shortbread cookies in a glass, garnished with fresh berries and mint leaves. Save to Pinterest
Lemon mousse cups with shortbread cookies in a glass, garnished with fresh berries and mint leaves. | shiftpan.com

Lemon Mousse Cups with Shortbread offer a delightful balance of bright, creamy citrus mousse paired with rich, buttery cookies. Perfect for spring, these individual desserts bring an elegant finish to any meal, combining refreshing flavors with a satisfying crunch. Whether served at a casual gathering or a special celebration, this European-inspired treat captures the essence of light yet indulgent dessert craftsmanship.

Lemon mousse cups with shortbread cookies in a glass, garnished with fresh berries and mint leaves. Save to Pinterest
Lemon mousse cups with shortbread cookies in a glass, garnished with fresh berries and mint leaves. | shiftpan.com

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This dessert brings classic European flair with a modern twist, focusing on fresh ingredients and simple techniques. The process includes chilling time to achieve the perfect mousse texture, making it ideal for preparing ahead for any occasion.

Ingredients

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  • For the Lemon Mousse
    • 3 large eggs, separated
    • 2/3 cup (130 g) granulated sugar
    • 1/2 cup (120 ml) freshly squeezed lemon juice (about 2 lemons)
    • 1 tablespoon lemon zest
    • 1 cup (240 ml) heavy cream, cold
    • 1/2 teaspoon pure vanilla extract
    • Pinch of salt
  • For the Shortbread
    • 1 cup (225 g) unsalted butter, room temperature
    • 2/3 cup (85 g) powdered sugar
    • 2 cups (250 g) all-purpose flour
    • 1/4 teaspoon salt
    • 1 teaspoon vanilla extract
  • Garnish
    • Fresh berries (optional)
    • Lemon zest curls (optional)
    • Mint leaves (optional)

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Instructions

1. Prepare the Shortbread:
a. Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.
b. In a large bowl, cream together butter and powdered sugar until light and fluffy.
c. Mix in vanilla extract.
d. Add flour and salt, mixing until just combined.
e. Press dough into a 1/2-inch thick rectangle and cut into small rounds or rectangles.
f. Place on prepared sheet and bake for 12–15 minutes, until edges are barely golden. Cool completely.
2. Make the Lemon Mousse:
a. In a heatproof bowl, whisk egg yolks, 1/2 cup sugar, lemon juice, and lemon zest.
b. Set bowl over a pot of simmering water (double boiler). Whisk constantly until thickened and pale (about 5–7 minutes).
c. Remove from heat and cool to room temperature.
d. In a separate bowl, beat heavy cream with vanilla until soft peaks form.
e. In another clean bowl, beat egg whites with a pinch of salt until soft peaks form, then gradually add remaining sugar and beat until stiff peaks form.
f. Gently fold whipped cream into cooled lemon mixture, then fold in egg whites until fully incorporated.
3. Assemble the Cups:
a. Spoon mousse into individual serving cups or glasses.
b. Chill at least 1 hour until set.
4. Serve:
a. Garnish each cup with berries, lemon zest curls, and mint if desired.
b. Serve with shortbread cookies on the side.

Zusatztipps für die Zubereitung

Make sure to chill the mousse for at least one hour to achieve its light, airy texture. When folding the egg whites and cream, work gently to preserve volume. The shortbread dough can be shaped and refrigerated before baking for easier handling. Use a fine zester for delicate lemon zest curls to garnish beautifully.

Varianten und Anpassungen

For an extra lemony kick, add a splash of limoncello to the mousse mixture. Swap all-purpose flour for certified gluten-free flour to make the shortbread gluten-free. This dessert can also be prepared a day ahead; simply bake the cookies in advance and chill the mousse after assembling.

Serviervorschläge

Serve the lemon mousse chilled in elegant glasses, garnished with fresh berries, lemon zest curls, and mint leaves for a vibrant look. Pair with homemade shortbread cookies on the side to balance the creamy, tart mousse with buttery crunch. Ideal for spring or summer luncheons, tea parties, or dinner parties.

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| shiftpan.com

With its refreshing flavor and harmonious textures, Lemon Mousse Cups with Shortbread are a sophisticated yet accessible dessert choice. Whether prepared for a seasonal celebration or a casual treat, they promise to delight with every bite. Enjoy crafting and sharing this charming European dessert!

Questions & Answers About This Recipe

How do I ensure the lemon mousse is light and airy?

Whip the cream and egg whites separately to soft peaks, then gently fold them into the cooled lemon mixture. This creates an airy texture.

Can I make the mousse and shortbread ahead of time?

Yes. Prepare and chill the mousse and bake the cookies a day ahead. Assemble mousse in cups and store cookies airtight until serving.

What garnishes pair well with these cups?

Fresh berries, lemon zest curls, and mint leaves all complement the mousse's tang and shortbread's richness beautifully.

Is there a way to make the shortbread gluten-free?

Substitute a certified gluten-free flour blend for the all-purpose flour in the shortbread to accommodate gluten sensitivities.

Can I add liqueur to the mousse?

Yes, a splash of limoncello adds a subtle adult flavor twist, working well with the lemon's natural tartness.

What tools are recommended for preparation?

An electric mixer, double boiler or heatproof bowl, mixing bowls, baking sheet, and a zester are useful for easy prep.

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Lemon Mousse Cups Shortbread

Creamy lemon mousse in cups, served with shortbread cookies. Refreshing, zesty, and perfect for entertaining guests.

Prep Time
25 min
Time to Cook
15 min
Total Duration
40 min
Recipe by Emma Miller


Skill Level Medium

Cuisine European

Serves 6 Portions

Dietary Info Vegetarian

What You'll Need

Lemon Mousse

01 3 large eggs, separated
02 2/3 cup granulated sugar, divided
03 1/2 cup freshly squeezed lemon juice (approximately 2 lemons)
04 1 tablespoon finely grated lemon zest
05 1 cup cold heavy cream
06 1/2 teaspoon pure vanilla extract
07 Pinch of salt

Shortbread

01 1 cup unsalted butter, at room temperature
02 2/3 cup powdered sugar
03 2 cups all-purpose flour
04 1/4 teaspoon salt
05 1 teaspoon vanilla extract

Garnish

01 Fresh berries (optional)
02 Lemon zest curls (optional)
03 Fresh mint leaves (optional)

How to Make It

Step 01

Prepare Shortbread Dough: Preheat oven to 350°F. Line a baking sheet with parchment paper. Cream together butter and powdered sugar in a large bowl until light and fluffy, then beat in vanilla extract. Add flour and salt, mixing just until incorporated.

Step 02

Shape and Bake Cookies: Press dough into a 1/2-inch thick rectangle on a lightly floured surface. Cut into rounds or rectangles and place onto the prepared baking sheet. Bake 12 to 15 minutes until edges are lightly golden. Let cool completely on a rack.

Step 03

Prepare Lemon Curd Base: In a heatproof bowl, whisk egg yolks, 1/2 cup sugar, lemon juice, and lemon zest. Set over simmering water and whisk constantly until mixture thickens and becomes pale, about 5 to 7 minutes. Remove from heat and cool to room temperature.

Step 04

Whip Cream and Egg Whites: Beat cold heavy cream with vanilla extract in a separate bowl until soft peaks form. In another bowl, beat egg whites with a pinch of salt until soft peaks hold, then gradually add remaining sugar and continue beating until stiff peaks develop.

Step 05

Combine and Fold Mousse: Gently fold whipped cream into the cooled lemon curd until just incorporated. Carefully fold in the beaten egg whites in two additions, maintaining as much volume as possible.

Step 06

Portion and Chill: Spoon finished mousse into individual serving cups or glasses. Transfer to the refrigerator for at least 1 hour, until set.

Step 07

Garnish and Serve: Top each lemon mousse cup with fresh berries, lemon zest curls, and mint leaves if desired. Accompany with a serving of shortbread cookies on the side.

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What You'll Need

  • Electric mixer
  • Mixing bowls
  • Double boiler or heatproof bowl and saucepan
  • Baking sheet
  • Parchment paper
  • Spatula
  • Zester or microplane
  • Serving cups

Allergy Details

Review all items for allergies and speak to a healthcare expert with any concerns.
  • Contains eggs, dairy (cream, butter), and wheat (flour). Substitute gluten-free flour for a wheat-free version.
  • Always verify ingredient labels for potential cross-contamination if serving those with severe allergies.

Nutrition Details (per serving)

For reference only — always check with a nutrition or medical professional.
  • Caloric Value: 410
  • Fats: 28 g
  • Carbohydrates: 38 g
  • Proteins: 5 g

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