Strawberry Pink Velvet White Chocolate Mousse Cake for Easy Layering Step-by-step instructions

Before you start

Gather every component before you start, because the cake is built in one sitting and each layer needs to be ready when you reach it. Confirm that the pink velvet sponge is cut to fit your glass dish and that the white chocolate mousse is chilled and smooth. Wash and dry the strawberries thoroughly, since moisture on the fruit can weaken the frosting.

Set out a long chef's knife, a stainless steel box grater, an offset spatula and the glass dish on a clean wooden cutting board. Chill the white chocolate block for about 15 minutes so it grates into clean, fine shavings. Have a plate ready for the grated chocolate and another for the sliced strawberries, which keeps the workspace tidy and the layers in order.

Instructions

Layer the base and mousse

1. 1Hull and slice the strawberries
   Hull the strawberries with a paring knife, then slice them with a long chef's knife. Cut larger berries into halves and smaller ones into quarters, and set them aside on a plate.
   Look for Slices are even, with bright red flesh and no white core showing.
   Tip Keep a few whole, small berries aside for the final garnish.
2. 2Grate the white chocolate
   Grate the block of white chocolate on the fine side of a stainless steel box grater, letting the fine curly shavings fall onto a plate. Set the shavings aside for the garnish.
   Look for Shavings are fine, curly and light, with no large chunks.
   Tip Chill the block for 15 minutes first so it grates cleanly.

The pink sponge sits level in the glass dish, and the white chocolate mousse covers it in an even, airy layer that reaches the edges. The surface looks smooth and pale, with no gaps or thin patches. Before going on, check that the mousse is evenly distributed and that no sponge is showing through. Gently tap the dish on the counter to settle the layers. The mousse should look light and cloud-like without sinking into the sponge. If a spot is thin, add a spoonful of mousse and smooth it with the spatula before you spread the frosting over it.

Frost and top with fruit

3. 3Build the first layers
   Place the pink velvet sponge base in a glass dish. Spread an even layer of white chocolate mousse over the sponge, smoothing the top with an offset spatula.
   Look for The mousse is smooth, airy and evenly spread to the edges.
   Tip Level the sponge first so the mousse layer stays even.
4. 4Spread the pink frosting
   Spread the pink-tinted frosting evenly over the top of the mousse layer. Keep the surface smooth so the strawberries sit neatly on top.
   Look for The pink layer is smooth, even and uniform in colour.
   Tip Dip the spatula in warm water between passes for a glossy finish.
5. 5Arrange the strawberries
   Arrange the sliced strawberries over the pink layer in a pattern of halves and quarters. Press them lightly so they sit level and the bright red pattern shows clearly against the cream.
   Look for Slices cover the pink layer evenly with a clear red and pink pattern.
   Tip Start from the outside edge and work toward the center.
6. 6Add the chocolate shavings
   Scatter the reserved white chocolate shavings over the surface of the cake. Spread them so they cover the top evenly.
   Look for Shavings cover the surface with no bare patches.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip Hold the shavings close to the surface to keep them intact.

The pink-tinted frosting covers the mousse in a smooth, uniform layer, and the sliced strawberries sit across it in a clear pattern of red and pink. The fruit should look bright and fresh, with no crushed pieces. Before going on, check that the frosting is set enough to hold the berries without sliding.

Press each slice lightly so it sits level. Scatter the grated white chocolate evenly across the surface. The top should look balanced, colourful and tidy, with the strawberries clearly visible against the cream. If the frosting looks soft, chill the dish briefly before you slice.

Slice, garnish and serve

7. 7Transfer and slice the cake
   Lift the cake onto a round base. Cut it through the center with a long knife, wiping the blade between cuts, to reveal the pink and white layers.
   Look for Each slice shows clean pink and white layers.
   Tip Dip the knife in hot water and wipe it dry for crisp cuts.
8. 8Garnish and serve
   Top the slices or the whole cake with whole strawberries and white chocolate pieces. Serve the dessert plated, and refrigerate any leftovers covered.
   Look for The garnish is evenly placed and the cake looks bright and fresh.
   Tip Add the garnish just before serving so the strawberries stay fresh.

The cake has been lifted onto a round base and cut through the center, revealing clean pink and white layers in each slice. The garnish of whole strawberries and white chocolate pieces sits neatly on top, and the dessert looks bright and fresh on the plate. Before serving, check that the cuts are straight and that each slice holds its shape. Wipe the knife between cuts to keep the edges clean. The layers should look distinct and defined, and the strawberries should still be glossy. If a slice looks uneven, trim the edge and garnish again before serving the dessert.

Common mistakes

The most common mistake is spreading the mousse or frosting before the layer beneath has set. If the mousse is still soft when the frosting goes on, the two will blend and the stripes will blur when you cut. Another frequent error is using wet strawberries, which release liquid onto the frosting and make the surface look dull.

Dry the berries well and slice them just before arranging. Grating cold chocolate that is too warm can smear rather than form shavings, so keep the block chilled. Finally, cutting with a dull or wet knife drags the layers and softens the edges. Wipe the blade between each cut, and use a warm, dry knife for the cleanest slices.

How to tell it’s done

The cake is ready to slice when every layer has set firmly and the surface holds its shape when touched. The mousse should look light and smooth, with no soft or sunken areas, and the frosting should be even and fully set. Press lightly on the edge of the dish: the layers should feel firm and not shift.

The strawberries should look bright and hold their shape on the surface. When you cut a slice, the pink and white layers should separate cleanly and the edges should stay sharp. This cake contains eggs in the mousse, which are not cooked through, so keep it chilled until serving and use pasteurised eggs where advised.

• Egg dishes: 160°F (71°C) in the thickest part