Light Strawberry Mousse Cake Recipe

Strawberry Mousse Cake is the kind of dessert that feels like summer even in the middle of winter. The very first time I made this cake was for a small family birthday, and although I was nervous, the reaction around the table told me everything I needed to know. The light layers, the creamy mousse, and the natural strawberry flavor made it disappear in minutes. Since then, it has become my go-to cake whenever I want something elegant but not heavy.
Why This Strawberry Mousse Cake Works
- It uses real strawberry purée, therefore the flavor stays fresh and natural.
- The whipped cream mousse creates a light and airy texture.
- The sponge base balances the creaminess with a soft bite.
- It can be made with gelatin or agar agar, so it suits different diets.
- It sets beautifully, which makes slicing clean and easy.
- It is a make-ahead dessert, and therefore it reduces stress on event days.
Light Strawberry Mousse Cake
Recipe at a Glance
| Prep Time | Cook Time | Total Time | Servings | Cuisine | Difficulty |
|---|---|---|---|---|---|
| 25 minutes | 10 minutes | 4 hours chilling | 10 slices | American–French | Easy |
Equipment: Amazon’s Overall Picks
Your Strawberry Mousse Cake deserves a pan that releases cleanly and keeps every layer flawless. The HIWARE 8 Inch Non-stick Springform Pan with Removable Bottom is leakproof, sturdy, and designed to give you smooth edges and perfect slices every time. It’s the same style of pan professional bakers rely on to create bakery-level desserts at home.
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Light Strawberry Mousse Cake Ingredients
| Ingredient | Amount |
|---|---|
| Fresh strawberries, pureed | 2 cups |
| Heavy whipping cream | 2 cups |
| Powdered sugar | ¾ cup |
| Vanilla extract | 2 teaspoons |
| Unflavored gelatin | 1 tablespoon |
| Cold water | ¼ cup |
| Lemon juice | 1 tablespoon |
| Sponge cake layer (8-inch) | 1 layer |

Ingredient Tips & Substitutes
If you prefer a vegetarian version, you can use agar agar instead of gelatin. In that case, use 1½ teaspoons of agar agar powder. Frozen strawberries also work; however, they should be fully thawed and drained. In addition, a graham cracker crust can replace the sponge cake base if you want a no-bake version.
Recipe Instructions
- Place gelatin in cold water and allow it to bloom for five minutes.
- In a saucepan, heat the strawberry purée with powdered sugar and lemon juice over low heat.
- Stir until the sugar dissolves, and then add the bloomed gelatin. Mix until completely dissolved.
- Remove from heat and let the mixture cool to room temperature.
- Meanwhile, whip the heavy cream with vanilla extract until soft peaks form.
- Gradually fold the cooled strawberry mixture into the whipped cream. Do this gently to keep the mousse airy.
- Place the sponge cake layer into the springform pan.
- Pour the mousse mixture over the cake and smooth the top.
- Refrigerate for at least four hours or until fully set.
- Decorate with fresh strawberries and whipped cream before serving.

Chef’s Tips and Variations
If you want a no-bake strawberry mousse cake, replace the sponge base with a cookie crust. In addition, you can add white chocolate curls on top for a bakery-style finish. On the other hand, mini strawberry mousse cakes are perfect for parties and portion control. Furthermore, if you prefer a firmer texture, a small amount of strawberry gelatin can be added.

Discover more strawberry recipes:
- Easy Strawberry Tres Leches Cake Recipe
- Strawberry Crunch Poke Cake Recipe
- Easy Homemade Strawberry Shortcake
- Strawberry Consomme Recipe
- Strawberry Rhubarb Recipe
- Strawberry Cream Dessert Cups
- Homemade Strawberry Candy Recipe
Nutrition Information
| Nutrient | Amount per Slice |
|---|---|
| Calories | 315 kcal |
| Carbohydrates | 29 g |
| Protein | 5 g |
| Fat | 20 g |
| Saturated Fat | 12 g |
| Sugar | 22 g |
| Fiber | 2 g |
| Sodium | 120 mg |
FAQs About Strawberry Mousse Cake
Proper aeration and balanced flavor create the light texture of mousse. Whip the heavy cream to soft peaks so it stays smooth and easy to fold. Gently fold the whipped mixture instead of stirring it to preserve the air bubbles. Balance the sweetness with a small amount of acid, such as lemon juice, to keep the mousse from tasting heavy. Finally, chill the mousse for several hours, preferably overnight, so it sets properly and develops better flavor.
1– Using Watery Puree: Adding raw, blended strawberries makes a runny, unstable mousse. Always cook and reduce the puree to evaporate excess water and concentrate flavor.
2– Adding Hot Puree to Cream: This will melt the whipped cream and deflate the mousse. Cool the puree completely (even chill it) before folding.
3– Insufficient Sweetener: Strawberries can be tart when cooked down. Sweeten the puree to taste before folding it in.
4– Skipping the Stabilizer: For a cake layer or a mousse that needs to hold shape for more than a few hours, gelatin is essential. Without it, the mousse may weep or collapse.
Without gelatin, strawberry mousse can still be used in a cake, but it needs freezing to set properly. The mousse is made by folding whipped cream into cooled strawberry purée, then assembling the cake immediately in a springform pan and freezing it for at least six hours. Before serving, it should thaw in the refrigerator for a few hours. However, the texture will be closer to light ice cream than classic mousse, and it must stay cold because it will not hold its shape well at room temperature.
A Sweet Ending Worth Sharing
This light strawberry mousse cake proves that elegant desserts do not need to be complicated. It is soft, creamy, and full of real strawberry flavor. In addition, it works beautifully for birthdays, holidays, or simple weekend treats. Once you try it, it is likely to become a favorite in your kitchen, just like it did in mine.
This recipe is provided by Cookerdiary for informational purposes only. Nutrition values are estimates and may vary depending on ingredients used. This article may contain affiliate links. As an Amazon Associate, Cookerdiary earns from qualifying purchases at no additional cost to you.
