An authentic French Fraisier (from the French word fraise, meaning strawberry) is a masterpiece of patisserie. Unlike a standard strawberry shortcake, a true Fraisier relies on specific components: a light Genoise sponge, a rich Crème Mousseline (pastry cream whipped with butter), and the signature vertical strawberry border.
Here is the traditional, step-by-step recipe.
1. The Genoise (Sponge Cake)
This is a fatless sponge that relies on whipped eggs for lift.
3 large eggs
90g granulated sugar
90g all-purpose flour (sifted)
20g melted butter (optional, for flavor)
Instructions:
Preheat oven to 180°C (350°F).
Whisk eggs and sugar in a bowl over a pot of simmering water (Bain-marie) until warm to the touch.
Remove from heat and beat with an electric mixer until tripled in volume and “the ribbon” stage is reached.
Gently fold in the sifted flour in three batches. Fold in the melted butter last.
Pour into a lined tin and bake for 15–20 minutes. Let cool, then slice into two thin discs. Trim the discs so they are about 2cm smaller than the cake ring you will use to assemble.
2. The Soaking Syrup
Classic Fraisier always uses Kirsch (cherry brandy).
50ml water
50g sugar
1 tbsp Kirsch (optional, but authentic)
Instructions:
Boil water and sugar until dissolved. Let cool and stir in the Kirsch.
3. The Crème Mousseline
The most important part. It must be rich enough to hold the weight of the cake without collapsing.
500ml whole milk
1 vanilla pod (seeds scraped)
4 egg yolks
120g sugar
50g cornstarch (cornflour)
250g high-quality unsalted butter (softened to room temperature)
Instructions:
Make the Pastry Cream: Heat milk and vanilla. Whisk yolks, sugar, and cornstarch. Pour hot milk over the egg mixture, then return to the pan. Whisk constantly over medium heat until it thickens and boils for 1 minute.
Whisk in half (125g) of the butter while the cream is hot.
Cover with plastic wrap (touching the surface) and let it cool to room temperature.
The Mousseline Final Step: Once the cream is at room temperature, beat it with a mixer. Gradually add the remaining 125g of softened butter. Beat until light, fluffy, and mousselike.
Pro Tip: The butter and the cream must be at the same temperature, or the cream will curdle.
4. The Strawberries
500g–750g fresh strawberries.
Select medium-sized berries of uniform height for the border.
5. Assembly (The “Montage”)
Prepping the Ring: Place a cake ring (usually 20cm) on a serving plate. Line the inside with an acetate strip (Rhodoïd) for a clean finish.
The Border: Hull several strawberries and cut them in half vertically. Place them against the inside of the ring, cut-side facing out.
The Base: Place the first disc of Genoise in the center. Brush it generously with the Kirsch syrup.
The Cream: Pipe the Mousseline cream between the strawberries on the edge, ensuring there are no air gaps. Spread a layer of cream over the sponge.
The Center: Fill the middle with whole or chopped strawberries. Cover them with more cream, saving a little for the top.
The Top: Place the second disc of Genoise on top. Press down lightly. Brush with syrup and spread a very thin, flat layer of the remaining cream to create a smooth surface.
Chill: Refrigerate for at least 4–6 hours (overnight is best) to allow the Mousseline to set firm.
6. The Finish (Le Décor)
Traditionally, a Fraisier is topped with a thin layer of Almond Paste (Marzipan).
Roll out green or pink marzipan very thinly.
Cut a circle the size of your cake ring and lay it on top.
Remove the metal ring and acetate strip carefully.
Decorate with a few reserved strawberries and perhaps some white chocolate shavings or piped cream.
Summary of Success:
The Look: When you pull the ring off, you should see the bright red hearts of the strawberries held perfectly in white cream.
The Taste: It should be cold, creamy, and burst with the flavor of vanilla and Kirsch-soaked sponge.