Lemon Blueberry Shortbread Mousse Cake
This Lemon Blueberry Shortbread Mousse Cake is a delightful dessert that will surely impress your guests and satisfy your sweet tooth. Its combination of zesty lemon mousse, sweet blueberry compote, and a buttery shortbread crust makes it an ideal choice for various occasions. Whether you are hosting a summer gathering or simply treating yourself, this cake stands out with its refreshing flavors and creamy texture.

Why You’ll Love This Recipe
- Delicious Flavor Combination: The blend of lemon and blueberry creates a vibrant taste that balances sweetness and tartness perfectly.
- Easy to Make: With straightforward instructions, this recipe is accessible for bakers of all skill levels.
- Perfect for Any Occasion: Whether it’s a birthday party, holiday celebration, or casual family dinner, this cake fits right in.
- Elegant Presentation: The layered look of the mousse and berries makes for a stunning centerpiece on any dessert table.
- Make-Ahead Option: You can prepare this cake in advance and chill it until you’re ready to serve, saving time on busy days.
Tools and Preparation
Before diving into the baking process, ensure you have the necessary tools. Having the right equipment makes preparation smoother and more enjoyable.
Essential Tools and Equipment
- Food processor
- Mixing bowls
- Whisk
- 9-inch springform pan
- Saucepan
Importance of Each Tool
- Food processor: This tool saves time by quickly mixing ingredients for the shortbread crust.
- Mixing bowls: Using separate bowls keeps ingredients organized while preparing different components of the cake.
- Whisk: A whisk is essential for achieving stiff peaks when beating cream and blending mixtures smoothly.
- 9-inch springform pan: This pan allows for easy release of the cake once set, ensuring a beautiful presentation.
Ingredients
For the Shortbread Crust:
- 1 1/2 cups all-purpose flour
- 1/2 cup powdered sugar
- 1/2 cup unsalted butter, cold and cubed
- Pinch of salt
For the Lemon Mousse:
- 1 cup heavy cream
- 1/2 cup granulated sugar
- Zest of 2 lemons
- 1/2 cup fresh lemon juice
- 1 tablespoon gelatin powder
- 2 tablespoons water
For the Blueberry Compote:
- 8 ounces cream cheese, softened
- 2 cups fresh blueberries
- 1/4 cup granulated sugar
- 1 tablespoon fresh lemon juice
How to Make Lemon Blueberry Shortbread Mousse Cake
Step 1: Prepare the Shortbread Crust
- Combine the all-purpose flour, powdered sugar, unsalted butter, and a pinch of salt in a food processor. Pulse until the mixture resembles coarse crumbs.
- Press the mixture evenly into the bottom of the prepared pan.
- Bake for 15-18 minutes or until lightly golden. Allow it to cool completely.
Step 2: Make the Lemon Mousse
- In a saucepan over low heat, warm lemon juice until just warm.
- Stir in bloomed gelatin until dissolved; allow this mixture to cool to room temperature.
- In a mixing bowl, beat heavy cream, granulated sugar, and lemon zest until stiff peaks form.
Step 3: Combine Ingredients
- In another bowl, whip cream cheese until smooth.
- Gradually add the cooled lemon juice mixture while continuing to beat until smooth.
- Fold in the whipped cream gently until fully incorporated.
Step 4: Assemble and Chill
- Pour the lemon mousse over the cooled shortbread crust in the springform pan.
- Refrigerate for at least 4 hours or until set.
Step 5: Serve
- Before serving, run a knife around the edge of the pan to loosen the cake.
- Carefully remove the sides of the springform pan.
- Slice and serve chilled for an unforgettable dessert experience!
How to Serve Lemon Blueberry Shortbread Mousse Cake
This delightful Lemon Blueberry Shortbread Mousse Cake is perfect for various occasions. Whether you’re hosting a special gathering or simply enjoying a quiet evening, serving it correctly can elevate the experience. Here are some serving suggestions to make the most of this refreshing dessert.
Individual Slices
- Serve each slice on a small plate with a dollop of whipped cream for added richness.
- Garnish with fresh blueberries and lemon zest for a colorful presentation.
With Fresh Fruits
- Pair the cake with a side of mixed berries for a refreshing contrast.
- Consider serving alongside sliced strawberries to enhance the berry flavor.
Accompanied by Ice Cream
- Offer vanilla or lemon sorbet as a delightful complement to the cake’s flavors.
- A scoop of blueberry ice cream can also enhance the blueberry notes in the mousse.
Drizzled with Sauce
- Add a drizzle of homemade blueberry sauce for an extra burst of flavor.
- A light lemon glaze can provide an additional zesty kick.
With Mint Leaves
- Garnish each slice with fresh mint leaves for a pop of color and freshness.
- This adds an aromatic touch that enhances the overall dessert experience.

How to Perfect Lemon Blueberry Shortbread Mousse Cake
To achieve the perfect Lemon Blueberry Shortbread Mousse Cake, consider these essential tips. Each step plays a crucial role in ensuring your cake turns out beautifully.
- Use cold ingredients – Ensure your butter and cream cheese are cold; this helps achieve a better texture in your mousse.
- Bloom gelatin properly – Mixing gelatin with water before adding it to the warm lemon juice ensures it dissolves completely, preventing lumps.
- Fold gently – When combining whipped cream with the lemon mixture, fold gently to maintain airiness and avoid deflating the mousse.
- Chill adequately – Allowing the cake to chill for at least 4 hours ensures it sets properly, making it easier to slice and serve.
- Choose ripe blueberries – Fresh, ripe blueberries add natural sweetness and flavor that enhance your dessert.
- Taste before serving – Adjust sweetness if necessary by adding more sugar or lemon juice based on your preference before final chilling.
Best Side Dishes for Lemon Blueberry Shortbread Mousse Cake
Enhancing your Lemon Blueberry Shortbread Mousse Cake experience can be achieved through thoughtfully selected side dishes. Here are some delicious options that pair well:
- Lemon Sorbet – A light and refreshing palate cleanser that complements the tartness of the cake well.
- Mixed Berry Salad – A vibrant mix of strawberries, raspberries, and blackberries adds freshness and color to your dessert table.
- Greek Yogurt Parfait – Layered yogurt with granola and berries offers added texture and health benefits alongside indulgence.
- Chocolate Covered Strawberries – These sweet treats bring in chocolate’s richness while balancing out fruit flavors beautifully.
- Coconut Whipped Cream – A dairy-free alternative that adds tropical flair while enhancing the creamy texture of the cake.
- Lemon Poppy Seed Muffins – These muffins echo lemon flavors while providing a different texture experience alongside your mousse cake.
Common Mistakes to Avoid
When making Lemon Blueberry Shortbread Mousse Cake, it’s essential to steer clear of common pitfalls to ensure success.
- Using stale ingredients: Always check the freshness of your baking essentials. Fresh ingredients yield the best flavor and texture.
- Overmixing the batter: Mixing too much can lead to a dense cake. Mix just until combined for a light and airy mousse.
- Skipping the cooling step: Allowing the crust to cool completely before adding the mousse is crucial. This prevents melting and ensures layers stay defined.
- Not measuring accurately: Baking is a science. Use precise measurements for flour, sugar, and butter to achieve the perfect consistency.
- Rushing the chilling time: Patience is key! Allow the cake at least 4 hours in the fridge to set properly for optimal taste and texture.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- The Lemon Blueberry Shortbread Mousse Cake can be kept in the fridge for up to 3 days.
Freezing Lemon Blueberry Shortbread Mousse Cake
- Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe bag or container.
- It can be frozen for up to 2 months.
Reheating Lemon Blueberry Shortbread Mousse Cake
- Oven: Preheat to 350°F (175°C). Place slices on a baking sheet, cover with foil, and heat for about 10 minutes.
- Microwave: Heat slices on medium power for 15-20 seconds. Check frequently to avoid overheating.
- Stovetop: Place slices in a non-stick skillet over low heat. Cover and warm gently for about 5 minutes.
Frequently Asked Questions
Here are some common questions regarding Lemon Blueberry Shortbread Mousse Cake:
Can I use frozen blueberries?
Yes, frozen blueberries can be used in place of fresh ones. Just ensure they are thawed and drained before use.
How do I make this cake gluten-free?
To make a gluten-free version of Lemon Blueberry Shortbread Mousse Cake, substitute all-purpose flour with a gluten-free blend.
What should I serve with this dessert?
Lemon Blueberry Shortbread Mousse Cake pairs wonderfully with whipped cream or a scoop of vanilla ice cream for an extra treat!
How long does it take to prepare?
The total time required from prep to serving is approximately 50 minutes, plus chilling time of at least 4 hours.
Final Thoughts
This Lemon Blueberry Shortbread Mousse Cake is not only visually stunning but also bursting with flavor. It’s perfect for gatherings or special occasions. Feel free to customize it by adding different berries or citrus flavors; your creativity will shine through!

Lemon Blueberry Shortbread Mousse Cake
- Total Time: 48 minutes
- Yield: Serves approximately 10 1x
Description
Indulge in the exquisite flavors of our Lemon Blueberry Shortbread Mousse Cake, a delightful dessert that beautifully balances zesty lemon and sweet blueberry compote atop a buttery shortbread crust. This elegant treat is perfect for any occasion, from summer gatherings to intimate dinners, and will undoubtedly impress your guests with its refreshing taste and creamy texture. Simple enough for novice bakers yet sophisticated enough for seasoned chefs, this layered cake is a showstopper that can be prepared in advance, allowing you to enjoy more time with your loved ones. With its stunning presentation and mouthwatering flavor profile, this cake is sure to become a favorite in your dessert repertoire.
Ingredients
- 1 1/2 cups all-purpose flour
- 1/2 cup powdered sugar
- 1/2 cup unsalted butter (cold)
- 1 cup heavy cream
- 1/2 cup granulated sugar (divided)
- Zest and juice of 2 lemons
- 8 ounces cream cheese (softened)
- 2 cups fresh blueberries
Instructions
- Preheat the oven to 350°F (175°C). Prepare a 9-inch springform pan.
- For the shortbread crust, pulse flour, powdered sugar, butter, and salt in a food processor until crumbly. Press into the pan and bake for 15-18 minutes until golden. Allow to cool.
- For the lemon mousse, dissolve gelatin in warm lemon juice. Beat heavy cream with granulated sugar and lemon zest until stiff peaks form.
- Whip cream cheese until smooth; mix in the cooled lemon juice. Gently fold in whipped cream.
- Spread lemon mousse over the cooled crust and refrigerate for at least 4 hours or until set.
- Prep Time: 30 minutes
- Cook Time: 18 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 305
- Sugar: 20g
- Sodium: 150mg
- Fat: 21g
- Saturated Fat: 12g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 29g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 70mg