Lemon Mousse Cups Shortbread

Featured in: Sweet Bakes & Treats

Creamy lemon mousse served in individual cups creates a vibrant yet delicate dessert, perfect for spring or special occasions. The mousse, enriched with fresh lemon juice, zest, and whipped cream, is prepared over gentle heat then folded with airy egg whites for a cloud-like finish. Garnish each portion with fresh berries, curls of lemon zest, and mint leaves for an extra burst of color and fragrance. Buttery shortbread rounds out the experience, balancing the tangy mousse with a crumbly, rich texture. Chill the mousse in advance for best flavor and pair with your favorite garnishes for a memorable sweet finale.

Updated on Wed, 25 Mar 2026 09:21:22 GMT
Creamy lemon mousse in elegant cups, garnished with fresh berries and mint, served alongside buttery shortbread cookies. Pin It
Creamy lemon mousse in elegant cups, garnished with fresh berries and mint, served alongside buttery shortbread cookies. | rapidtongs.com

Brighten up your dessert table with these Lemon Mousse Cups with Shortbread. This elegant European-inspired treat features a light, airy lemon mousse served in individual portions, perfectly paired with crisp, buttery shortbread cookies. It is a refreshing and sophisticated choice for any spring gathering.

Creamy lemon mousse in elegant cups, garnished with fresh berries and mint, served alongside buttery shortbread cookies. Pin It
Creamy lemon mousse in elegant cups, garnished with fresh berries and mint, served alongside buttery shortbread cookies. | rapidtongs.com

Creating a mousse using the double boiler method ensures a stable, silky texture that sets perfectly in the fridge. Accompanied by homemade shortbread, this dessert offers a professional-quality finish that is surprisingly manageable for home cooks.

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 (optional):
  • Fresh berries, lemon zest curls, mint leaves

Instructions

1. Prepare the Shortbread
Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper. In a large bowl, cream together the butter and powdered sugar until light and fluffy, then mix in the vanilla extract. Add the flour and salt, mixing until just combined. Press the dough into a 1/2-inch thick rectangle and cut into rounds or rectangles. Bake for 12–15 minutes until edges are barely golden, then cool completely.
2. Make the Lemon Mousse
In a heatproof bowl, whisk the egg yolks, 1/2 cup of sugar, lemon juice, and zest. Set the bowl over a double boiler and whisk constantly for 5–7 minutes until thickened and pale. Remove from heat and cool to room temperature. In separate bowls, beat the heavy cream with vanilla to soft peaks, and beat the egg whites with a pinch of salt and remaining sugar to stiff peaks. Gently fold the whipped cream into the lemon mixture, then fold in the egg whites.
3. Assemble and Chill
Spoon the mousse into individual serving cups or glasses. Place them in the refrigerator to chill for at least 1 hour until the mousse is fully set.
4. Garnish and Serve
Before serving, garnish each cup with fresh berries, lemon zest curls, and mint leaves if desired. Serve alongside the buttery shortbread cookies.

Zusatztipps für die Zubereitung

When tempering the egg yolks over the double boiler, ensure the water remains at a gentle simmer and the bowl does not touch the water to prevent the eggs from scrambling. For the fluffiest mousse, always use very cold heavy cream for whipping and fold the ingredients together gently to preserve the air bubbles.

Varianten und Anpassungen

For an extra layer of flavor, you can add a splash of limoncello to the lemon mixture before folding. To make this dessert gluten-free, simply substitute the all-purpose flour in the shortbread with a certified gluten-free flour blend.

Serviervorschläge

Serve these mousse cups as a light conclusion to a spring lunch. They are best enjoyed chilled, and the shortbread can be served on the same plate or tucked into the side of the glass for a beautiful presentation.

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| rapidtongs.com

With its vibrant citrus notes and buttery accompaniments, this Lemon Mousse with Shortbread is a timeless dessert that captures the essence of spring elegance in every spoonful.

Your Questions Answered

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

Whip the egg whites and cream separately to soft peaks before gently folding them into the lemon base. This careful folding keeps the mousse light and fluffy.

Can I prepare the components ahead of time?

Yes. Both the mousse and shortbread can be made a day in advance. Chill the mousse and store the cookies in an airtight container for best freshness.

What can I use to garnish the cups?

Fresh berries, lemon zest curls, and mint leaves work beautifully as garnishes, adding both flavor and visual appeal.

Is it possible to make the shortbread gluten-free?

Substitute the all-purpose flour with a certified gluten-free flour blend to make a gluten-free version of the shortbread cookies.

How do I achieve smooth, creamy lemon mousse?

Whisk the egg yolk mixture constantly over gentle heat until thickened and pale, then let it cool completely before mixing with whipped cream and egg whites.

Can I add extra flavor to the mousse?

A splash of limoncello can be added to the mousse base for extra citrus flavor. Adjust to taste based on preference.

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Lemon Mousse Cups Shortbread

Creamy lemon mousse with buttery shortbread cookies. Refreshing, light, and elegant for any celebration.

Prep Duration
25 minutes
Cook Duration
15 minutes
Complete Time
40 minutes
Created by Lily Turner


Skill Level Needed Medium

Cuisine Style European

Makes 6 Portions

Diet Preferences Meat-Free

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 (about 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 (optional)

01 Fresh mixed berries
02 Lemon zest curls
03 Fresh mint leaves

How-To Steps

Step 01

Shortbread Preparation: Preheat oven to 350°F. Line a baking sheet with parchment paper.

Step 02

Cream Butter and Sugar: In a large mixing bowl, beat butter and powdered sugar with an electric mixer until light and fluffy.

Step 03

Incorporate Remaining Shortbread Ingredients: Add vanilla extract, then blend in flour and salt until just combined.

Step 04

Shape and Bake Shortbread: Press dough into a 1/2-inch thick rectangle, cut into rounds or rectangles, arrange on the prepared baking sheet and bake for 12 to 15 minutes until edges are lightly golden. Cool completely.

Step 05

Prepare Lemon Mousse Base: In a heatproof bowl, whisk together egg yolks, 1/2 cup granulated sugar, lemon juice, and lemon zest.

Step 06

Cook Lemon Mixture: Set the bowl over simmering water and whisk constantly for 5 to 7 minutes until thickened and pale. Remove from heat and cool to room temperature.

Step 07

Whip Cream: In a separate bowl, beat cold heavy cream with vanilla extract until soft peaks form.

Step 08

Whip Egg Whites: In a clean bowl, beat egg whites with a pinch of salt until soft peaks form, then gradually add the remaining sugar and continue beating until stiff peaks form.

Step 09

Combine Mousse Components: Gently fold whipped cream into the cooled lemon mixture, then carefully incorporate the beaten egg whites until fully blended.

Step 10

Fill Serving Cups: Spoon lemon mousse into individual cups or glasses. Chill for at least 1 hour until set.

Step 11

Final Assembly and Presentation: Garnish each mousse cup with fresh berries, lemon zest curls, and mint leaves if desired. Serve with shortbread cookies alongside.

What You'll Need

  • Electric mixer
  • Mixing bowls
  • Heatproof bowl
  • Saucepan (for double boiler)
  • Baking sheet
  • Parchment paper
  • Spatula
  • Zester or microplane
  • Serving cups

Allergy Alerts

Always review every item for allergens. If unsure, talk to a healthcare expert.
  • Contains eggs, dairy (cream, butter), and wheat (flour); choose certified gluten-free flour as needed.

Nutrition Info (per serving)

Use these numbers as a helpful reference, not as personal health advice.
  • Calorie Count: 410
  • Fat Content: 28 g
  • Carbohydrates: 38 g
  • Protein Amount: 5 g

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