Strawberry Mousse Cake
Amina Hassan
| 20-10-2026

· Cate team
Strawberry mousse cake sounds fussy, but the home version is very doable if you keep the steps tidy and keep the cake cold at the right moments.
You're building three clear parts here: a cake base, a strawberry mousse filling, and a shiny mirror top. The smooth finish comes from straining the glaze, watching its temperature, and pouring it in one steady motion over a very cold cake.
Ingredients
Each part of the cake has its own short list. For the cake base, you'll need:
- 2 eggs
- 50 g milk
- 40 g corn oil
- 50 g low-gluten flour
- 45 g sugar
For the strawberry mousse, the lemon juice is optional and simply makes the fruit taste brighter. Prepare:
- 250 g strawberries
- 250 g light cream
- 50 g sugar
- 10 g gelatin sheets
- A little lemon juice
The mirror glaze is a thinner strawberry layer, and the water is only there to adjust its thickness. Use:
- 100 g strawberry puree
- 30 g sugar
- 5 g gelatin sheets
- A little water
Steps
Work in this order, and give the cake its chilling time between stages:
1. Separate the eggs. Mix the yolks with the milk and corn oil first, then stir in the flour until smooth.
2. Whip the egg whites with the sugar until they reach a firm, curved peak. Fold them into the yolk batter in batches so you do not knock out too much air.
3. Pour the batter into a mold and bake until the surface is set and lightly colored. Once cooled, cut one cake round slightly smaller than your mousse mold. If it is even 1 cm too wide, the mousse edge will look cramped instead of clean.
4. Blend the strawberries into a puree, then strain out the seeds so the mousse stays fine instead of grainy. Stir in the lemon juice now if you are using it.
5. Soak the 10 g of gelatin sheets in cold water until soft, then melt them gently and mix them into the strawberry puree.
6. Whip the cream to a texture that still flows softly. Do not whip it until stiff, because stiff cream gives you a rougher cut surface later. Fold the puree into the cream evenly.
7. Put the trimmed cake round into the mold first, then pour in the mousse. Tap the mold lightly to release trapped air, since tiny bubbles near the sidewall make a mousse cake look uneven after unmolding. Chill until fully set before you start the mirror layer.
8. For the glaze, soak the 5 g of gelatin sheets in cold water. Heat the puree with the sugar until the sugar dissolves, then add the softened gelatin and stir until fully melted.
9. Strain the glaze, adding a little water if it seems too thick. This is the step many people rush, but it is the difference between a clean top and one with pulp bits or tiny lumps.
10. Let the glaze cool to a warm, pourable state. If it is too hot, it can melt the mousse surface and leave marks. If it is too cool, it will fall unevenly and lose its smooth, sheeted finish.
11. Take out the well-chilled cake and pour the glaze from the center, letting it spread outward on its own. Use a spatula only to fix one small bare spot, because too much touching leaves lines.
12. Return the cake to the fridge so the top can set fully. To unmold, warm the outside of the mold very briefly with your hands or a warm towel so the edge releases neatly.
Finishing touches
If you want extra decoration, place halved strawberries or a few small pieces on top, but keep it simple. A crowded top distracts from the clean mirror surface you worked for.
Never skip either straining step. Strawberry seeds and fruit bits are small, but on a smooth mousse finish they show up immediately, especially across the center of the cake where the light catches the top.
The process feels much less intimidating the second time, because nothing in it is complicated. Plan around the two chilling stages, before and after glazing, and the top will still look clean when you slice into it.