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No-bake petit beurre raspberry vanilla cake with milk-soaked biscuits and a light diplomat-style cream. A chilled layered dessert that is fresh, elegant, and make-ahead friendly.
This no-bake petit beurre raspberry vanilla cake sits between a fridge cake and a pâtisserie-style layered dessert. The biscuit layers soften just enough after chilling, while the vanilla diplomat-style cream keeps the texture light and sliceable rather than dense.
The raspberry element is what gives this version its own place in the cluster. Instead of leaning coffee-chocolate or cheesecake-rich, it goes for a fresher vanilla-and-berry profile that works especially well for spring and summer tables.
Petit beurre biscuits are ideal for this format because they absorb moisture without turning mushy if dipped briefly. That gives the cake neat layers and a soft, spoonable bite once chilled.
The filling is based on pastry cream, then lightened with whipped cream for a diplomat-style texture. White chocolate adds a little extra body and smoothness without taking over the vanilla flavour.
Use real vanilla bean if you want the most pronounced vanilla profile, but extract also works well here. Fresh raspberries give the best contrast to the cream, while raspberry jam helps distribute berry flavour more evenly through the cake.
If you want the bright pink finish seen in some social-style versions, freeze-dried raspberry powder is the easiest practical choice for home baking.
Cook the pastry cream first and chill it fully before folding in whipped cream. That is what keeps the filling light but stable enough for layering.
Dip the biscuits quickly in milk, then build the cake with cream and raspberry between the layers. Once chilled, the whole cake firms up into clean slices and the biscuits soften into a cake-like texture.
This dessert is best made the day before serving. Overnight chilling improves the structure and makes unmoulding much easier.
Serve it cold, with extra raspberries on top if you want a fresher look. A thin brush of warmed raspberry jam also gives the finish a glossy pâtisserie-style sheen.
Keep to one slice because the cream and biscuit layers make this a richer dessert than it first looks.
This is a strong choice for birthdays, family lunches, and make-ahead dessert tables where you want something elegant but oven-free.
Serve with coffee or unsweetened tea and avoid extra sweet sauces on the side. The raspberry already brings enough contrast and brightness to the plate.
No-bake petit beurre raspberry vanilla cake with milk-soaked biscuits and a light diplomat-style cream. A chilled layered dessert that is fresh, elegant, and make-ahead friendly.

Dip the biscuits very quickly in milk so they soften without collapsing.
Chill the pastry cream fully before folding in whipped cream for the cleanest diplomat texture.
Use a warm knife and wipe between cuts for neater slices.
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Heat the milk with the vanilla until steaming.
Whisk the egg yolks, sugar, and cornstarch in a bowl until smooth.
Gradually whisk the hot milk into the yolk mixture.
Return everything to the saucepan and cook over medium heat until very thick.
Remove from the heat and whisk in the butter and white chocolate until smooth.
Cover the surface directly and chill until cold.
Whisk the cold pastry cream until smooth again.
Whip the heavy cream to medium peaks.
Fold the whipped cream into the pastry cream until light and evenly combined.
Line a loaf tin or square tin with parchment.
Dip the petit beurre biscuits briefly in milk and arrange a layer in the tin.
Spread over some vanilla cream, then dot with a little raspberry jam and a few raspberries.
Repeat the layers, finishing with cream on top.
Chill for at least 5 hours or overnight.
Unmould the cake onto a serving plate.
Spoon over a little extra raspberry jam if you want a glossy finish.
Top with the remaining raspberries and a dusting of freeze-dried raspberry powder if using.
3/23/2026
Rich but still light on the palate. The diplomat-style cream was excellent.
3/22/2026
Chilled it overnight and the slices came out beautifully.
3/21/2026
The raspberry made it feel much fresher than the usual biscuit cakes I know.
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Serving Size: 1 slice (1/12 cake)
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
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