Introduction:

Macarons au Citron, or Lemon Macarons, are a tangy twist on the iconic French macaron—those delicate, pastel-hued sandwich cookies known for their crisp shells and soft, chewy interiors. Filled with lemon curd or lemon buttercream, these vibrant macarons offer the perfect balance of sweet and tart, making them a refreshing treat for any occasion.

In this detailed blog, you’ll learn everything about Lemon Macarons—from mastering the meringue to making the perfect lemon filling, with tips to achieve bakery-quality results right in your kitchen.

What Are Macarons?

Macarons (not to be confused with macaroons) are meringue-based sandwich cookies made with almond flour, egg whites, and sugar. Originating from Italy but perfected in France, macarons are famous for their smooth domed shells, ruffled “feet,” and rich ganache or buttercream fillings.

Why Lemon Macarons?

Lemon adds a bright, refreshing contrast to the naturally sweet macaron shell. The sharp citrus flavor cuts through the richness, making Macarons au Citron both luxurious and lively. Their sunny yellow color and tangy zing make them perfect for spring and summer gatherings—or as an elegant homemade gift.

Ingredients:

For the Macaron Shells:

100g almond flour (finely ground, sifted)

100g powdered sugar

75g egg whites (room temperature, ideally aged overnight)

75g granulated sugar

¼ tsp cream of tartar (optional, for stable meringue)

Yellow gel food coloring (optional)

For the Lemon Filling (Two Options):

Option 1 – Lemon Curd:

2 large egg yolks

60g granulated sugar

40ml fresh lemon juice

Zest of 1 lemon

30g unsalted butter (cubed)

Option 2 – Lemon Buttercream:

100g unsalted butter (softened)

180g powdered sugar

2 tbsp lemon juice

1 tsp lemon zest

Special Equipment Needed:

Kitchen scale (for accuracy)

Sifter or fine mesh sieve

Electric mixer (hand or stand)

Piping bags with a round tip (e.g., Wilton #12)

Silicone baking mat or parchment paper

Oven thermometer

Step-by-Step Instructions:

1. Prepare Dry Ingredients:

Sift together the almond flour and powdered sugar into a bowl. Discard any coarse bits. This step ensures smooth macaron shells.

2. Make the French Meringue:

In a clean mixing bowl, begin whisking the egg whites.

When foamy, add cream of tartar (optional).

Gradually add the granulated sugar as you whip.

Continue beating until stiff peaks form. Add yellow food coloring at the end and mix just until combined.

3. Macaronage (Mixing Batter):

Add the dry ingredients to the meringue.

Use a spatula to fold the mixture gently but firmly, pressing it against the bowl to deflate slightly.

The batter is ready when it flows in a ribbon-like consistency, and a figure-8 shape can be drawn without breaking.

4. Pipe the Shells:

Transfer batter to a piping bag fitted with a round tip.

Pipe small rounds (about 1.25 inches) onto a lined baking tray.

Tap the tray firmly against the counter to release air bubbles.

Use a toothpick to pop any visible bubbles.

5. Rest the Shells:

Let the piped macarons sit at room temperature for 30–60 minutes until a skin forms. When touched lightly, they should not stick to your finger.

6. Bake:

Preheat oven to 150°C (300°F).

Bake for 13–15 minutes, rotating halfway.

Shells are done when they have risen “feet” and do not wobble when touched.

7. Cool:

Let macarons cool completely before removing from the tray.

Make the Lemon Filling:

Option 1 – Lemon Curd:

In a saucepan, whisk egg yolks, sugar, lemon juice, and zest.

Cook over medium-low heat, stirring constantly until thickened (about 8–10 minutes).

Remove from heat and stir in butter until smooth.

Strain for an ultra-smooth texture.

Chill for at least 1 hour before using.

Option 2 – Lemon Buttercream:

Beat softened butter until fluffy.

Gradually add powdered sugar, lemon juice, and zest.

Beat until light and creamy. Adjust consistency with a little milk or more sugar, if needed.

Assemble the Macarons:

Match shells of similar size.

Pipe a small dollop of lemon filling onto one shell.

Gently sandwich with a second shell.

Press lightly so the filling spreads to the edges.

Maturation (Optional but Recommended):

Place the assembled macarons in an airtight container.

Refrigerate for 24–48 hours to allow flavors to develop.

Bring to room temperature before serving.

Tips for Perfect Macarons:

Use a scale for precise measurements.

Age egg whites overnight at room temperature for better meringue.

Don’t skip the resting step before baking—it’s crucial for smooth tops and good feet.

Avoid humid environments—moisture can ruin the meringue and prevent shell formation.

Storage:

Assembled macarons: Store in the refrigerator for up to 5 days.

Unfilled shells: Can be frozen for up to 1 month in an airtight container.

Filled macarons: Freeze up to 1 month. Thaw in the fridge overnight.

Final Thoughts:

Macarons au Citron are a bright, elegant twist on the classic French confection. With their sunny flavor and stunning presentation, they’re perfect for weddings, showers, tea parties, or simply as a luxurious treat for yourself. While macarons may seem intimidating at first, with patience and precision, anyone can master them at home.

Bon appétit! 🍋🇫🇷