As I lifted the lid off my mixing bowl, the sweet scent of fresh strawberries instantly transported me to sun-kissed picnics and lazy summer afternoons. Today, I’m thrilled to share my Light and Fluffy Strawberry Mousse Cake, a delightful dessert that captures all the joy of summer in every bite. This recipe not only boasts a soft, tender cake base paired with a heavenly, airy strawberry mousse, but it also adapts wonderfully with gluten-free options for those with dietary needs. Effortless yet impressive, this cake is perfect for summer gatherings or as a sweet indulgence just for yourself. Who could resist its lightness and the burst of strawberry goodness? Are you ready to create your own piece of summer bliss? Let’s dive in!
Why Is This Cake a Must-Try?
Effortless Delight: This light and fluffy strawberry mousse cake is easy to make, requiring only basic baking skills. Perfect for home bakers looking to impress guests without stress!
Versatile Flavor: While strawberries shine in this recipe, feel free to switch to other berries or even citrus for a unique twist!
Guilt-Free Indulgence: With gluten-free options available, this dessert suits various dietary needs, allowing everyone to enjoy creamy, fruity goodness.
Eye-Catching Presentation: The vibrant pink mousse layered over a tender cake creates a stunning centerpiece for any table.
Crowd-Pleaser: Whether at a summer cookout or a cozy get-together, this cake is sure to impress and satisfy. Pair it with a refreshing drink like bubbly lemonade for a perfect summer afternoon!
For more delightful strawberry-inspired recipes, check out my Strawberry Shortcake Sushi and Chocolate Orange Mousse for an extra sweet treat!
Fluffy Strawberry Mousse Cake Ingredients
For the Cake
- Cake Flour – Provides structure and a tender crumb; substitute with all-purpose flour for similar results.
- Baking Powder – A key leavening agent for lift; ensure freshness for the best outcome.
- Salt – Enhances sweetness and balances flavor; contributes to overall taste.
- Unsalted Butter – Adds richness and moisture; must be softened for easy mixing.
- White Granulated Sugar – Sweetens the cake and affects texture; can use coconut sugar as a healthier alternative.
- Oil (Canola or Vegetable) – Ensures moistness; melted coconut oil works well too.
- Egg Whites – Provide stability and an airy structure; use aquafaba as a vegan substitute.
- Pure Vanilla Extract – Enhances flavor profile; almond extract is a delightful alternative.
- Sour Cream – Adds moisture and slight tang; Greek yogurt can act as a substitute.
For the Mousse
- Strawberries (Fresh or Frozen) – Star ingredient for the mousse; fresh strawberries enhance flavor.
- Powdered Gelatin – Helps set the mousse; agar-agar offers a vegetarian option.
- Heavy Cream – Creates a lush, fluffy mousse texture; best whipped when cold.
- Ground Freeze-Dried Strawberries – Intensifies flavor; optional but recommended.
- Fresh Strawberries (for decoration) – For garnishing; select ripe ones to maximize appeal.
Step‑by‑Step Instructions for Fluffy Strawberry Mousse Cake
Step 1: Preheat Oven
Preheat your oven to 350°F (175°C). Prepare a 9×9-inch baking pan by lightly greasing it with nonstick spray, and line the bottom with parchment paper for easy removal. This step is crucial to ensure that your cake bakes evenly and comes out perfectly tender for the Fluffy Strawberry Mousse Cake.
Step 2: Combine Dry Ingredients
In a medium bowl, sift together 1¾ cups of cake flour, 2 teaspoons of baking powder, and ½ teaspoon of salt. This process aerates the dry ingredients, ensuring a light and fluffy cake texture. Set this mix aside while you gather your wet ingredients for the Fluffy Strawberry Mousse Cake.
Step 3: Cream Butter and Sugar
In a large bowl, use an electric mixer to beat together ½ cup of softened unsalted butter, 1 cup of white granulated sugar, and ¼ cup of oil until the mixture is light and fluffy, about 3-5 minutes. Then, mix in 3 egg whites, 1 teaspoon of pure vanilla extract, and ½ cup of sour cream until well combined, creating a rich batter for the cake.
Step 4: Incorporate Dry Ingredients
Gradually add the dry flour mixture to the wet ingredients, mixing at low speed until just combined. Avoid overmixing, as this helps maintain the delicate airy structure of the Fluffy Strawberry Mousse Cake’s sponge. The batter should look smooth and homogenous; gently fold if necessary to combine completely.
Step 5: Bake the Cake
Pour the prepared batter into your greased pan, spreading it evenly. Bake in the preheated oven for 35-40 minutes, or until a toothpick inserted in the center comes out clean. Once baked, allow the cake to cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.
Step 6: Prepare the Strawberry Mousse
While the cake cools, puree about 2 cups of strawberries in a blender until smooth. Strain the mixture to remove seeds, then simmer it in a saucepan with ¼ cup of sugar and ½ teaspoon of vanilla extract over medium heat until it thickens slightly, typically around 5-7 minutes. Remove from heat and let it cool.
Step 7: Gelatin Preparation
In a small bowl, bloom 1 tablespoon of powdered gelatin in 3 tablespoons of cold water. Allow it to sit for 5 minutes, then gently heat the mixture until the gelatin fully dissolves. Combine this dissolved gelatin with the warm strawberry sauce, stirring well to combine, and set aside.
Step 8: Cool the Strawberry Mixture
Refrigerate the strawberry mixture for 30 minutes or until it’s slightly thickened and cool to the touch. This step is essential for ensuring that the mousse holds its shape when combined with the whipped cream, contributing to the overall structure of the Fluffy Strawberry Mousse Cake.
Step 9: Whip the Cream
In a separate bowl, whip 1 cup of heavy cream to stiff peaks using an electric mixer. For best results, chill the bowl beforehand. Once whipped, gently fold in any desired freeze-dried strawberries for an extra flavor kick before incorporating the cooled strawberry mixture, creating a luscious, creamy mousse.
Step 10: Assemble the Cake
Carefully place the cooled sponge cake back into the baking pan. Evenly pour the strawberry mousse over the cake, spreading it gently to cover the entire surface. Chill the assembled Fluffy Strawberry Mousse Cake in the refrigerator for at least 4 hours, allowing the mousse to set perfectly.
Step 11: Serve and Garnish
Once set, remove the Fluffy Strawberry Mousse Cake from the pan and slice it into generous portions. Garnish each slice with fresh strawberries for an appealing finish. Serve chilled, and enjoy the refreshing burst of strawberry flavor that captures the essence of summer in every delectable bite.
What to Serve with Fluffy Strawberry Mousse Cake
Ready to elevate your Fluffy Strawberry Mousse Cake experience? Explore these delightful pairings that enhance the lightness and freshness of your dessert.
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Whipped Cream: A rich dollop atop the cake enhances the airy texture and adds a smooth creaminess to each bite.
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Fresh Mint Leaves: A sprinkle of mint adds a burst of freshness, beautifully contrasting the sweetness of the strawberries.
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Vanilla Ice Cream: The creamy profile of vanilla ice cream pairs wonderfully, offering a delightful contrast to the fluffy mousse cake.
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Bubbly Lemonade: A fizzy lemonade refreshes the palate, balancing the sweetness of the mousse with its tangy zest.
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Chocolate Drizzle: A light drizzle of chocolate sauce adds a touch of indulgence, creating a symphony of flavors.
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Berry Compote: A tart berry compote brings a vibrant tartness that cuts through the sweet mousse, adding depth to your dessert.
Imagine slicing into that fluffy texture, savoring the layers of brightness, and washing it down with a splash of your favorite drink. Each pairing enhances the joyous experience of enjoying this summer delight.
How to Store and Freeze Fluffy Strawberry Mousse Cake
Fridge: Keep your Fluffy Strawberry Mousse Cake in an airtight container for up to 5 days. This helps retain its light texture while preventing it from absorbing any odors.
Freezer: Freeze individual slices wrapped tightly in plastic wrap and stored in a zip-top bag for up to 30 days. Let them thaw in the refrigerator before enjoying.
Make-Ahead: For a stress-free preparation, bake the cake a day in advance and store it in the fridge. The mousse can be made up to 3 days ahead to enhance flavors effortlessly.
Reheating: While best enjoyed cold, if you’ve frozen it, allow to thaw completely in the fridge, then serve chilled for the best flavor and texture.
Expert Tips for Fluffy Strawberry Mousse Cake
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Fresh Ingredients: Use fresh, ripe strawberries for maximum flavor. Overripe or underripe berries can affect the taste of your mousse.
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Egg Whites Matter: Ensure your egg whites are beaten until stiff peaks form. This will keep your mousse light and airy, critical for a successful Fluffy Strawberry Mousse Cake.
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Chill Your Tools: For the best whipped cream texture, chill your mixing bowl and beaters beforehand. This helps the cream whip up faster and achieve stiff peaks.
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Don’t Rush the Cooling: Allow your strawberry mixture to cool completely before folding it into the whipped cream. This step ensures your mousse sets properly.
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Gelatin Guide: If your mousse doesn’t set as expected, gently reheat the mixture and add more dissolved gelatin. It’s an easy fix that keeps your cake intact.
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Creative Variations: Try substituting strawberries with other berries or add citrus zest to the mousse for a delightful twist. Enjoy experimenting with flavors!
Fluffy Strawberry Mousse Cake Variations
Feel free to get creative and customize your Fluffy Strawberry Mousse Cake to fit your taste and dietary needs!
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Berry Bliss: Swap strawberries for raspberries or blueberries for a delightful twist. Each berry provides a unique flavor that can create a whole new experience!
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Citrus Zing: Add lemon or orange zest to the mousse for a refreshing citrus hint. The bright flavor will elevate your dessert and make it even more irresistible.
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Dairy-Free Delight: Use coconut cream instead of heavy cream to whip up a delicious dairy-free mousse. Creamy and tropical, it adds a delightful twist that’s perfect for summer!
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Sugar-Free Option: Replace white sugar with a sugar substitute like stevia or erythritol for a diabetic-friendly version. This swap maintains taste without the added calories!
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Gluten-Free Goodness: Use a 1:1 gluten-free flour blend instead of regular cake flour to make your cake gluten-free. It will still be light and fluffy, just like the original!
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Nutty Flavor: Fold in finely chopped almonds or hazelnuts into the mousse for an added crunch and depth of flavor. The texture contrast will delight your senses!
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Choco-Mousse: For a chocolate twist, add cocoa powder to the mousse mix. Pairing chocolate with strawberries creates an indulgent experience that’s hard to resist.
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Spicy Kick: Add a pinch of cayenne or cinnamon to the mousse for an unexpected heat and flavor boost. The spices enhance the sweetness, making each bite intriguing!
As you explore these variations, don’t forget to check out my Pistachio Milk Cake or Carrot Cake Cheesecake for even more delightful flavor inspirations!
Make Ahead Options
This Light and Fluffy Strawberry Mousse Cake is perfect for meal prepping, allowing you to enjoy a delicious dessert with minimal last-minute effort. You can bake the cake one day in advance and store it at room temperature, covered with plastic wrap. The strawberry mousse can also be prepared up to 3 days ahead; just refrigerate it in an airtight container to keep it fresh. When it’s time to serve, simply reassemble the cake by pouring the mousse over the cooled sponge and chilling it for at least 4 hours. This approach not only saves time but ensures that the cake remains just as delightful, ready to impress your family or guests!
Fluffy Strawberry Mousse Cake Recipe FAQs
What type of strawberries should I use for the mousse?
I recommend using fresh, ripe strawberries as they offer the best flavor and sweetness for your Fluffy Strawberry Mousse Cake. Look for berries that are bright red with no dark spots or blemishes. If fresh strawberries aren’t available, you can use frozen strawberries—just be sure to thaw and drain them beforehand.
How should I store the Fluffy Strawberry Mousse Cake?
Store your Fluffy Strawberry Mousse Cake in an airtight container in the fridge for up to 5 days. This will help maintain its light and airy texture, and prevent it from absorbing any odors. If you want to extend its life, you can freeze individual slices wrapped tightly in plastic wrap and stored in a zip-top bag for up to 30 days.
Can I make this cake ahead of time?
Absolutely! To make the Fluffy Strawberry Mousse Cake ahead of time, you can bake the cake one day in advance and store it in the fridge. The mousse can be prepared up to 3 days ahead. Just combine the baked cake and mousse on the day you plan to serve it, and chill for at least 4 hours before enjoying.
What if my mousse doesn’t set properly?
If you find that your mousse doesn’t set as expected, don’t worry! Simply reheat the strawberry mixture over a low flame until it’s warm, and then dissolve an additional teaspoon of gelatin in a small amount of water. Stir this into the warm strawberry mixture and allow it to cool again before folding in the whipped cream. This should help achieve the desired fluffy texture for your cake.
Are there any dietary substitutions for the ingredients?
Absolutely! For gluten-free options, substitute cake flour with a gluten-free all-purpose flour blend. If you prefer a vegan version, replace the egg whites with aquafaba and use non-dairy cream for the mousse. Greek yogurt can be used instead of sour cream for a lighter touch. By adjusting the ingredients, everyone can enjoy this delightful dessert!
Can I use different fruits for the mousse?
Yes! While this recipe highlights strawberries, feel free to experiment with other fruits like raspberries, blueberries, or even mango for a different twist on the Fluffy Strawberry Mousse Cake. Just ensure that the fruit you choose harmonizes with the flavors of the cake!
Irresistibly Fluffy Strawberry Mousse Cake You’ll Love
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C) and prepare a 9x9-inch baking pan by greasing it and lining with parchment paper.
- Sift together cake flour, baking powder, and salt in a medium bowl, then set aside.
- In a large bowl, beat butter, sugar, and oil until light and fluffy. Mix in egg whites, vanilla, and sour cream until well combined.
- Gradually add dry ingredients to wet ingredients, mixing until just combined.
- Pour the batter into the pan and bake for 35-40 minutes or until a toothpick comes out clean. Cool in the pan for 10 minutes before transferring to a rack.
- Puree strawberries in a blender, strain, and simmer with sugar and vanilla until thickened before cooling.
- Bloom gelatin in cold water, then dissolve by gently heating and combine with the strawberry mixture.
- Chill the strawberry mixture for 30 minutes until thickened.
- Whip heavy cream to stiff peaks, then fold in any freeze-dried strawberries and the cooled strawberry mixture.
- Assemble the cake by pouring the mousse over the cooled cake and chill for at least 4 hours.
- Slice and garnish with fresh strawberries before serving.
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