Name: Strawberry Mousse Cake Recipe
Prep time: 1 h 30 min
Cook time: 30 min
Total time: 10 h 30 min
Cuisine: French-inspired
Ingredients: 2 Egg Yolks (at room temperature); 50 gr Icing Sugar (sifted); 75 gr Salted Butter (very soft); 120 gr Plain / All-Purpose Flour; 1/4 teaspoon Salt (if using unsalted butter); 375 gr Strawberries (fresh or frozen & thawed); 90 gr Caster Sugar; 1 Vanilla Bean (or 1 1/2 teaspoon Vanilla Paste); 7 gr (2 1/4 teaspoon) Gelatine Powder (with 2 tablespoon cold water); 400 ml Heavy / Thickened Cream (minimum 30% fat content); 200 gr Fresh Strawberries (optional, for decorating the edges); 200 gr Strawberries (fresh or frozen); 50 gr Caster Sugar; 15 ml Lemon Juice; 3 gr (1 teaspoon) Gelatine Powder

If you are looking for a show-stopping yet delightfully light dessert, this Strawberry Mousse Cake Recipe is an absolute must-try. It combines a crisp, buttery sablé crust with luscious, airy strawberry mousse and a glossy strawberry jelly topping that looks as good as it tastes. Every spoonful bursts with fresh strawberry flavor, perfectly balanced by a hint of vanilla and the subtle tang of lemon. Whether you’re celebrating a special occasion or just craving something sweet and fruity, this cake offers a refreshing twist on classic mousse that will make your heart sing and your taste buds dance.

Ingredients You’ll Need

The image shows a white marbled surface with various ingredients arranged neatly in clear glass bowls and small white dishes. From top left to right, there is a glass bowl filled with sugar, a bottle of thickened cream placed standing upright, a white bowl filled with powdered sugar, and a small white bowl holding cubed yellow butter. Below these, there is a glass bowl filled with fresh strawberries, a small white bowl containing a beige powder, a tiny white bowl with a liquid, a glass bowl filled with white flour, and a small glass bowl containing two raw egg yolks. A dark brown vanilla bean lies horizontally across the center of the setup. The scene is clean, bright with a soft natural light. photo taken with an iphone --ar 4:5 --v 7

The magic of this Strawberry Mousse Cake Recipe lies in its simple, high-quality ingredients. Each component—from the soft butter in the crust to the fresh strawberries in the mousse—plays an important role in creating the perfect harmony of flavor, texture, and color that makes this cake so irresistible.

Egg yolks: Provide richness and help bind the sablé crust and mousse together smoothly.
Icing sugar: Adds gentle sweetness and ensures a delicate crumb in the crust.
Salted butter: Gives the crust its tender, buttery texture and enhances flavor; very soft for easy mixing.
Plain/all-purpose flour: The base of the sablé crust, lending structure and that crisp bite.
Salt: Balances sweetness and enhances all the other flavors, especially if using unsalted butter.
Strawberries (fresh or frozen): The star ingredient, providing natural sweetness and vibrant color to the mousse and jelly layers.
Caster sugar: Sweetens the mousse and jelly with a fine texture that dissolves beautifully.
Vanilla bean or paste: Infuses the mousse with a warm, floral aroma that complements the strawberries perfectly.
Gelatine powder: Essential for setting the mousse and strawberry jelly layers to achieve that silky firmness.
Heavy/thickened cream (30% fat minimum): Whipped to fluffy peaks, creating the mousse’s signature lightness and creaminess.
Fresh strawberries (optional): For decorating the edges, adding freshness and a pop of natural color that makes the cake even more inviting.
Lemon juice: Adds a bright, zesty note to the strawberry jelly topping, enhancing the overall flavor complexity.

TIP

You’ll find the full ingredient list, instructions, and print option in the recipe card below.

How to Make Strawberry Mousse Cake Recipe

Step 1: Prepare the Sablé Cookie Crust

Start by placing a 9-inch cake ring on a lined baking tray. Whisk together the room-temperature egg yolks and sifted icing sugar until thick and smooth—this step is key for a tender crust. Blend in the very soft salted butter, then fold in the flour and salt carefully until it forms a thick paste. Press this dough evenly into the base of your cake ring, chill for 30 minutes to help it set, then bake at 160°C (325°F) for half an hour. Once baked, let it cool completely to ensure a crisp, buttery foundation for the layers to come.

Step 2: Make the Strawberry Mousse Filling

While the crust cools, blend your strawberries until silky smooth (taking the time to sieve them makes the mousse perfectly velvety). Gently warm the purée with caster sugar and vanilla bean seeds just to the simmer point—this brings out the berry’s depth of flavor without cooking it too much. Bloom your gelatine in cold water until it forms a gel-like paste, then dissolve it thoroughly in the warm strawberry mixture. Let this cool in the fridge until just chilled but not set. Carefully whip your heavy cream to stiff peaks and fold it gently into the strawberry base. For a stunning presentation, line the cake ring with acetate and fresh strawberry halves pressed against the inside edge, then pour in your mousse. Smooth the top and chill for at least four hours, allowing it to firm perfectly.

Step 3: Create the Strawberry Jelly Topping

In a similar way to the mousse, blend strawberries for the jelly layer and strain well. Heat them with sugar and lemon juice to awaken the fruits’ tangy brightness, then whisk in bloomed gelatine to help it set. After cooling slightly to avoid melting the mousse, pour this jelly gently over the top. Pop the cake back into the fridge for several hours or overnight to achieve a shiny, firm surface that looks spectacular and enhances the mousse texture underneath.

How to Serve Strawberry Mousse Cake Recipe

A round metal pot filled with bright red sauce, smooth with a few small bubbles on the surface, is being whisked by a set of colorful silicone whisks with purple, green, red, and pink wires, their colors creating a contrast against the deep red sauce. One side of the pot shows a light residue of sauce around the edge and a small piece of a light solid ingredient partially submerged in the sauce. The pot is sitting on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Decorate your cake edges with fresh strawberry halves to echo the flavors inside and add a lovely natural contrast. A few mint leaves or delicate edible flowers can also bring a fresh, elegant touch that brightens each slice visually and in fragrance.

Side Dishes

This cake pairs beautifully with light, fresh accompaniments. Think of a dollop of whipped cream, a scoop of vanilla bean ice cream, or a simple serving of macerated berries. These sides complement without overpowering the delicate strawberry mousse flavors.

Creative Ways to Present

For a party or special occasion, serve your Strawberry Mousse Cake Recipe on a mirrored platter to showcase the glossy jelly topping. Slice into generous wedges and plate with a drizzle of balsamic glaze or a sprinkle of crushed pistachios for a sophisticated flavor boost and eye-catching presentation that will wow guests.

Make Ahead and Storage

Storing Leftovers

Store your strawberry mousse cake covered gently with plastic wrap or in an airtight container in the fridge. It stays fresh and moist for up to 3 days, retaining its mousse lightness and the crunch of the sablé crust.

Freezing

Freezing is possible but not ideal for prolonged periods because the texture of the mousse can change. If needed, wrap the cake tightly in cling film and foil, then freeze for up to one month. Thaw slowly overnight in the fridge before enjoying.

Reheating

Since this is a chilled mousse cake, reheating is not recommended. Let it sit at room temperature for about 10 to 15 minutes before slicing to soften slightly and reveal the luscious smoothness inside.

FAQs

Can I use frozen strawberries for the mousse?

Absolutely! Frozen strawberries work wonderfully once thawed and drained well to avoid extra moisture which could affect the mousse’s consistency.

What can I substitute for gelatine if I want a vegetarian version?

Agar agar works as a vegetarian alternative, but it behaves differently from gelatine—usually requiring boiling to activate, so be sure to follow specific agar agar instructions for proper setting.

Is it necessary to use an acetate strip inside the cake ring?

While not absolutely required, acetate strips help achieve perfectly smooth edges and make releasing the cake from the ring much easier, resulting in a beautiful presentation.

How long does it take to set the mousse layer?

Chilling the mousse for at least 4 hours ensures it firms properly, but overnight chilling is even better, providing a dense yet airy texture that slices cleanly.

Can I prepare this cake a day in advance?

Yes! In fact, making the cake a day ahead enhances the flavors and allows ample time for the cake to fully set and the layers to meld together deliciously.

Final Thoughts

There’s something truly special about this Strawberry Mousse Cake Recipe that brightens any occasion with its fresh, luscious flavors and elegant look. It’s a recipe I love sharing with friends because it brings joy not only in eating but also in the crafting process itself. Give it a try, and I promise you’ll have a dreamy dessert in your hands that everyone will ask for again and again.

Strawberry Mousse Cake

Ingredients You’ll Need