Rhubarb Raspberry Vanilla Tartlets – Fresh Spring Mini Desserts with Crunchy Base

Rhubarb Raspberry Vanilla Tartlets – Elegant Mini Cakes with Crunchy Shortcrust & Spring Flavors

Delicate tartlets with rhubarb-raspberry compote, vanilla almond mousse, honey sponge, and crisp almond crust. Light, fruity, and elegant!
Fresh and fruity tartlets made with vanilla mousse, rhubarb, raspberry, and shortcrust pastry – a perfect spring dessert for any occasion.
There’s something magical about spring desserts – the colors, the freshness, the flavors. These Rhubarb Raspberry Vanilla Tartlets are a beautiful celebration of the season. Delicate yet full of contrast, they bring together tangy rhubarb and raspberry compote, a silky almond vanilla mousse, and a soft marzipan sponge infused with honey. All of this sits on a buttery, crunchy shortcrust base for the perfect texture.
Whether you're hosting a spring brunch, planning a garden party, or simply want to enjoy a luxurious homemade pastry, these tartlets are a showstopper. The recipe uses professional techniques but is accessible for advanced home bakers, especially if you're ready to try out mousse and glazing work. And yes – you can choose between a mirror glaze or a velvet spray finish!
Prep Time 1 hour 15 minutes
Cook Time 25 minutes
Course Dessert
Cuisine French
Servings 10 tartlets (using Fashion Eclairs silicone mold)

Ingredients
  

Rhubarb-Raspberry Compote Insert (prepare a day in advance)

  • 500 g rhubarb cleaned and diced
  • 1 tbsp lemon juice
  • 110 g granulated sugar
  • 2.5 g agar-agar approx. 1 level tsp
  • 50 g raspberry purée seedless
  • 4 gelatin leaves

Marzipan Honey Sponge (Arnaud Betoux)

  • 80 g raw marzipan paste
  • 70 g beaten egg
  • 30 g melted butter
  • 1 tsp cream liqueur optional
  • 15 g acacia honey
  • 9 g all-purpose flour
  • 9 g cornstarch
  • 1 g baking powder

Vanilla Almond Mousse

  • 180 g almond milk or whole milk
  • 1 vanilla bean split and scraped
  • 3 egg yolks
  • 50 g sugar
  • 15 g cornstarch
  • 1 ½ gelatin leaves
  • 240 g heavy cream whipped to soft peaks

Almond Shortcrust Base (Mürbeteig)

  • 90 g unsalted butter
  • 60 g powdered sugar
  • 25 g almond flour
  • 1 pinch of salt
  • 30 g beaten egg
  • 150 g all-purpose flour

Pink Transparent Mirror Glaze (Optional for Day 2)

  • 170 g glucose syrup
  • 150 g clear rhubarb nectar

Few drops pink food coloring

  • 120 g sugar
  • 7 gelatin leaves
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Instructions
 

🟠 Day 1

    🔹 Rhubarb-Raspberry Compote Insert

    • Soak the gelatin leaves in ice-cold water.
    • In a saucepan, combine the rhubarb and lemon juice. Simmer for a few minutes until soft.
    • Mix the sugar with agar-agar, then stir in the raspberry purée.
    • Add the purée mixture to the cooked rhubarb and simmer for at least 5 more minutes.
    • Remove from heat and stir in the softened gelatin until fully dissolved.
    • Pour the compote into a plastic-wrap-lined tray (approx. 28×16 cm) to a thickness of ~8 mm.
    • Let cool, then freeze until solid.

    🔹 Marzipan Honey Sponge

    • Preheat the oven to 180°C (top/bottom heat).
    • Grate or slightly soften the marzipan in the microwave.
    • Whisk the marzipan with the egg until light and frothy.
    • Stir in the melted butter, cream liqueur (if using), and honey.
    • Sift together the flour, starch, and baking powder, then fold into the batter.
    • Spread evenly (approx. A4 size) on a baking tray lined with baking paper or silicone mat.
    • Bake for approx. 10 minutes. Cool completely before cutting.

    🔹 Vanilla Almond Mousse

    • Soak the gelatin leaves in cold water.
    • In a saucepan, bring the almond milk and vanilla pod (seeds and pod) to a boil.
    • Meanwhile, mix the egg yolks with sugar and cornstarch.
    • Pour the hot milk into the egg yolk mixture while stirring, then return everything to the pot.
    • Cook over medium heat, stirring constantly, until the cream thickens to a custard (about 80°C).
    • Remove from heat, dissolve the gelatin, and stir well.
    • Pour onto a flat surface (e.g. tray) to cool to about 30°C.
    • Whip the cream to soft peaks, then fold gradually into the cooled vanilla cream.

    🔹 Tartlet Assembly (Part 1 – Mold Filling)

    • Use the narrow side of the mold’s cutter to cut 10 sponge strips.
    • Fill each cavity of the silicone mold about ¾ full with vanilla mousse using a piping bag.
    • Unmold the frozen compote and cut 10 strips with the same narrow cutter.
    • Gently press each insert into the mousse, ensuring they stay horizontal.
    • Add a thin layer of mousse over the insert.
    • Top with a strip of sponge and press gently to level.
    • Cover with plastic wrap and freeze overnight.

    🔹 Almond Shortcrust Base

    • Cream butter and powdered sugar. Add ground almonds and beaten egg.
    • Mix in flour and salt until a smooth dough forms.
    • Wrap in plastic and chill for 30 minutes.
    • Preheat oven to 180°C.
    • Roll out the dough to 3 mm thickness. Cut 10 wide strips using the cutter.
    • Optional: Use leftover dough to cut decorative shapes (flowers, etc.).
    • For best shape retention, freeze the strips briefly before baking.
    • Bake on a perforated mat or baking paper for about 10–12 minutes until golden.
    • Store in a metal tin until needed.

    🟣 Day 2

      🔹 Pink Transparent Mirror Glaze (Optional)

      • Soak gelatin in cold water.
      • In a saucepan, bring rhubarb nectar, glucose syrup, and sugar to a boil (just over 100°C), then simmer for 2 minutes.
      • Pour into another container and let cool below 80°C.
      • Stir in gelatin and a drop of pink coloring.
      • Let glaze cool to 30°C before use.

      🔹 Final Assembly & Decoration

      • Unmold the frozen tartlets and place on a wire rack over a tray.
      • Glaze with the pink transparent glaze or spray with pink and white velvet spray.
      • Place each glazed tartlet on a shortcrust base strip. You can lightly spread raspberry jelly on the base to help fix the tartlet.
      • Decorate as desired: whipped cream dots, halved raspberries, rhubarb ribbons, shortcrust flowers, and mint leaves.
      • Store the finished tartlets in an airtight container in the fridge. Best enjoyed within 1–3 days (note: the crust may lose crispness over time).
      Keyword cake, individual desserts, pastry, proffitionel cakes, recipes
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