Purple blueberry macarons with fresh blueberries

Blueberry Macarons With Mascarpone Cream and Fresh Blueberries

Published · Updated

These blueberry macarons pair purple Italian-method shells with a lightly tangy mascarpone buttercream and fresh blueberries. The berries add a juicy contrast to the sweet shells, while the buttercream helps hold them in place.

Because this version contains fresh fruit and mascarpone, it must be refrigerated and is best enjoyed sooner than a macaron filled only with ganache or standard buttercream. Read the storage notes before making it for an event.

Purple blueberry macarons filled with mascarpone cream and fresh blueberries

Blueberry Macarons at a Glance

YieldShell methodBakeMaturationStorage
About 30–40 filled macaronsItalian meringue115°C (240°F), about 20 minutes4–12 hours refrigeratedBest within 24 hours; keep at 4°C/40°F or below

Yield depends on the diameter you pipe. The estimate above assumes shells around 1.5 inches (3.8 cm).

Ingredients for the Purple Macaron Shells

  • 115 g (4 oz) finely ground almond flour
  • 115 g (4 oz) powdered sugar
  • 115 g (4 oz) granulated sugar
  • 30 g (about 1 oz) water
  • 50 g (1.7 oz) egg whites for the Italian meringue
  • 40 g (1.4 oz) egg whites for the almond paste
  • Concentrated purple gel or powdered food color, optional

Use a scale and keep the two portions of egg white separate. For a custom purple, combine a small amount of pink and blue, but use concentrated color so you do not add unnecessary liquid.

Ingredients for the Mascarpone Filling

  • 200 g (7 oz) unsalted butter, softened but not greasy
  • 200 g (7 oz) powdered sugar, sifted if lumpy
  • 85 g (3 oz) mascarpone, cool and smooth
  • 1 teaspoon vanilla extract or vanilla paste, optional
  • Fresh small blueberries, rinsed in cool water and dried completely
  • 1–2 tablespoons thick blueberry jam, optional

Choose firm, unbroken berries small enough to fit inside the macaron. Large berries force the shells apart and require more filling to stabilize them.

Tools You Will Need

  • Digital kitchen scale
  • Fine-mesh sieve
  • Digital sugar thermometer
  • Stand or hand mixer with whisk attachment
  • Small saucepan
  • Glass or stainless-steel bowls
  • Flexible silicone spatula
  • Piping bags and a round tip, optional
  • Flat baking trays with parchment or silicone mats
  • Toothpick for air bubbles

How to Make Blueberry Macaron Shells

  1. Clean and dry the bowls, whisk, and spatula. Weigh every ingredient before heating the syrup.
  2. Sift the almond flour and powdered sugar together. Mix in the 40 g egg-white portion to form a thick, even paste.
  3. Place the granulated sugar and water in a small saucepan. Heat without stirring once the sugar has dissolved.
  4. When the syrup reaches about 110°C (230°F), begin whipping the 50 g egg-white portion at medium speed.
  5. At 118°C (244°F), remove the syrup from the heat. With the mixer running, pour it in a thin stream down the inside of the bowl, avoiding the whisk.
  6. Whip until the meringue is glossy, holds a firm peak, and the bowl is no longer hot. Judge the texture rather than relying only on a timer.
  7. Fold about one-third of the meringue into the almond paste to loosen it. Fold in the remaining meringue in two additions, adding concentrated color before the batter reaches its final consistency.
  8. Continue macaronage until the batter falls in a slow ribbon and the ribbon gradually settles into the surface.

For detailed photos and technique notes, see the updated Italian macaron recipe and my guide to macaronage.

Smooth purple macaron shells
Italian meringue being added to purple macaron paste
Folding purple macaron batter

Pipe and Bake the Shells

  1. Transfer the batter to a piping bag and hold it perpendicular to the tray.
  2. Pipe even rounds, leaving space for a small amount of spread. Stop before the batter reaches the outer edge of a printed template.
  3. Tap the tray firmly against the counter and pop visible air bubbles with a toothpick.
  4. Rest until the tops look matte and can be touched lightly without batter sticking to your fingertip. Depending on the room, this may take 15–40 minutes. If your tested Italian-method process works without resting, compare one rested tray with one unrested tray.
  5. Bake one tray at a time on the middle rack at 115°C (240°F) for about 20 minutes. If that is consistently too cool in your oven, test 120°C (250°F).
  6. The shells are done when the tops no longer wobble on the feet. Cool completely before lifting them from the mat or parchment.
Piping purple macaron batter onto a silicone mat
Popping air bubbles in piped macaron shells with a toothpick

Make the Mascarpone Buttercream

  1. Beat the softened butter at medium speed until smooth and lighter in color, about 2–3 minutes.
  2. Add the powdered sugar gradually on low speed, then beat until fluffy. Add the vanilla if using.
  3. Add the cool mascarpone and mix briefly at low to medium speed only until smooth. Overbeating mascarpone can make the filling loose or grainy.
  4. If using jam, add only enough to flavor the cream without making it runny. A thick jam can also be piped separately in the center.
  5. Transfer the filling to a piping bag. If it feels soft, chill it for 10–15 minutes before assembling.
Preparing mascarpone buttercream for blueberry macarons
Piping blueberry macaron filling

Assemble the Blueberry Macarons

  1. Pair shells of similar size.
  2. Pipe a ring or several dots of mascarpone buttercream on the flat side of one shell.
  3. Place one to three small, completely dry blueberries in the center. Do not overfill.
  4. Add a small amount of buttercream above or around the berries if needed, then top with the second shell.
  5. Press with light, even pressure until the filling reaches the edge without squeezing out.
Blueberry macarons assembled with fresh berries and cream

For decoration, attach a dry blueberry or mini macaron to the top with a dot of melted chocolate. Decorated fresh fruit should also remain refrigerated.

Decorated purple blueberry macarons

Maturation and Storage

Place the filled macarons in a single layer in an airtight container and refrigerate. With fresh blueberries, 4–12 hours of maturation is usually enough to soften the shells slightly without making them soggy. Serve them the same day when possible and use them within 24 hours for the best texture.

Keep these macarons at 4°C (40°F) or below because they contain mascarpone and fresh fruit. Do not leave them at room temperature for more than 2 hours. A jam-only or ganache-centered version keeps better than one containing whole berries.

A More Stable Blueberry Filling Option

For gifting, transport, or longer maturation, skip the whole berries. Pipe a buttercream ring and place a small amount of thick blueberry jam or blueberry ganache in the center. This delivers blueberry flavor with less free moisture and a more predictable shape.

Blueberry Macaron Troubleshooting

ProblemLikely causeFix
Shells spreadOvermixed batter or too much liquid colorStop macaronage sooner and use concentrated gel or powder
Shells crackTrapped air, inadequate skin, or excessive heatTap trays, pop bubbles, rest if needed, and verify oven temperature
Shells stickUnderbaked or removed while warmBake until stable and cool completely
Filling is looseWarm butter, overmixed mascarpone, or too much jamChill briefly and reduce added liquid
Macarons become soggyWet berries or extended storageDry berries completely and assemble closer to serving

Frequently Asked Questions

Can I Use Frozen Blueberries?

Not as whole fruit inside the macarons. Thawed blueberries release too much water. Use them to make a cooked, reduced jam, cool it completely, and pipe a small amount inside a buttercream ring.

Can I Add Blueberry Puree to the Shell Batter?

Do not add ordinary puree to macaron batter; it changes the moisture and sugar balance. Use concentrated color for the shells and put the fruit flavor in the filling.

Can I Freeze These Blueberry Macarons?

The shells and mascarpone buttercream can be frozen separately, but whole fresh blueberries can become watery after thawing. For a freezer-friendly finished macaron, use a thick jam or ganache center instead.

Why Is My Mascarpone Filling Grainy?

Mascarpone can split when it is too warm or mixed too aggressively. Add it after the buttercream is prepared and mix only until combined.

Final Tips

  • Use small, firm blueberries and dry them completely.
  • Keep the shell color concentrated and the fruit flavor in the filling.
  • Calibrate your oven and use the shell’s stability as the final doneness cue.
  • Assemble fresh-fruit macarons closer to serving than ganache-filled macarons.
  • For an event, test one complete macaron through the planned storage time before making the full batch.

Enjoy your macarons!
Belli xx