Strawberry Pink Velvet White Chocolate Mousse Cake Recipe Step-by-step instructions

Before you start

Gather all the ingredients and equipment before you start. Hull and slice the strawberries and set aside a few whole or halved berries for the top and rim. Chill the white chocolate block for about 10 minutes so it grates into fine shavings instead of clumping. Measure the heavy cream and chill the mixing bowl and beaters in the freezer for 10 minutes, since cold cream whips to a stiffer, more stable texture.

Bloom the gelatin in cold water for both the mousse and the glaze. Line a round tin with a cake layer or sponge, store-bought or made ahead, and have the clear glass bowl ready for layering. Preparing everything first keeps the mousse from softening while you work.

Instructions

Prepare the berries and garnish

1. 1Slice the strawberries
   Hull the strawberries and slice them into halves and quarters on a checkered wooden cutting board with a long chef's knife. Set aside about a third of the berries as whole or halved pieces for the top and rim.
   Look for Berries are cut cleanly with even pieces and no crushed juice.
   Tip Pat the berries dry before slicing so the mousse does not get watery.
2. 2Grate the white chocolate
   Hold a block of white chocolate against the fine side of a four-sided box grater and grate it over the board. Gather the fine white chocolate shavings for garnish and set them in the fridge.
   Look for Fine, feathery shavings collect on the board.
   Tip Chill the block for 10 minutes first so it grates into shavings rather than clumps.

The strawberries are sliced into even halves and quarters, with a few whole berries set aside for the rim. The grated white chocolate is fine, light and kept chilled on a plate. The board is clean and dry, and the bowl is ready for layering.

Before going on, check that the cream is cold and the gelatin is fully bloomed, with no dry patches, because the mousse depends on both. Keep the grated shavings in the fridge until the final decoration so they stay crisp and do not melt into the glaze.

Build the mousse and layers

3. 3Make the strawberry purée and glaze
   Blend strawberries with the sugar until smooth, then warm half a cup of purée gently in a small pan. Stir in the bloomed gelatin until dissolved, add pink food coloring, and cool until it is thick but pourable.
   Look for The glaze is glossy, pink and coats the back of a spoon.
   Tip Cool the glaze to room temperature so it does not melt the mousse underneath.
4. 4Whip the white chocolate mousse
   Melt the white chocolate gently over a double boiler and let it cool slightly. Whip the cold cream with confectioners' sugar and vanilla to soft peaks, bloom the gelatin in cold water and warm it briefly, then fold the melted chocolate and gelatin into the cream.
   Look for The mousse is smooth, thick and holds soft peaks.
   Tip Fold gently so the mousse keeps its airy texture.
5. 5Layer the mousse and berries
   Spread a layer of white chocolate mousse in a clear glass bowl, then add the sliced strawberries. Cover with more mousse, smooth the top and arrange fresh strawberry pieces and whole berries around the rim.
   Look for Layers are even and the rim is decorated with berries.
   Tip Chill the layers for 20 minutes between additions so they hold their shape.

The mousse is smooth, thick and holds soft peaks, with no lumps of chocolate or gelatin. When you spoon it into the clear glass bowl, the layers stay even and the strawberries sit neatly between them. Before going on, check that the mousse is cool to the touch but still spreadable, and chill the layers briefly if they start to slump. A glossy, airy texture is the sign that the cream has been folded gently enough to keep its volume.

Glaze, set and slice

6. 6Set the cake in the tin
   Place the cake base in a round tin, spoon the mousse and berry layers on top and smooth the surface. Chill until the mousse is firm enough to hold its shape when unmoulded.
   Look for The top is firm and the mousse no longer shifts when touched.
   Tip Chill at least 6 hours so the cake slices cleanly.
7. 7Glaze and decorate
   Pour the cooled pink glaze over the chilled cake so it drips down the sides. Decorate with whole strawberries and white chocolate shavings, then chill for 30 minutes so the glaze sets.
   Look for The glaze is set, glossy and dripping evenly.
   Tip Use a warm spatula to smooth any heavy drips.
8. 8Slice and serve
   Unmould the cake onto a plate, run a hot knife under water and wipe it dry before each cut. Slice the cake to reveal the pink layers and creamy mousse, then serve chilled.
   Look for Slices show clean layers of pink and white.
   Tip Wipe the knife between cuts for neat edges.

The pink glaze is glossy, evenly coloured and coats the back of a spoon, and it drips smoothly down the sides of the chilled cake. The top is firm and the mousse does not shift when touched. Before slicing, check that the glaze has set and the cake holds its shape when unmoulded. Warm the knife under hot water and wipe it dry between cuts so each slice shows clean layers of pink and white.

Common mistakes

The most common mistake is overheating the white chocolate, which can seize or turn grainy and make the mousse heavy. Melt it slowly over a double boiler and let it cool slightly before folding. Another frequent problem is whipping the cream too far, which turns it grainy and makes it hard to fold smoothly into the mousse.

Stop as soon as the cream holds soft peaks. Pouring the glaze while it is still warm can melt the mousse and cause the layers to slide, so let it cool to room temperature first. Finally, slicing without warming and wiping the knife can tear the layers, so take a moment to clean the blade between cuts.

How to tell it’s done

The cake is ready to serve when the mousse is firm enough to hold its shape and the pink glaze is set and glossy. Give the cake at least six hours in the refrigerator so the gelatin can fully set the mousse and the glaze. When you press the top gently, it should feel firm and spring back slightly, with no soft spots or movement.

Unmould the cake onto a plate and cut a test slice: the strawberry layers should hold their shape, and the mousse should be creamy and tender with no weeping. Because this dessert contains no raw meat or poultry, there is no safe internal temperature to check. Serve it chilled.