Lemon Blueberry Shortbread Mousse Cake
This Lemon Blueberry Shortbread Mousse Cake is the ultimate dessert to elevate any occasion. Combining a luscious lemon mousse with a sweet blueberry compote and a buttery shortbread crust, this cake creates a delightful harmony of flavors. It’s perfect for summer gatherings, birthdays, or just a special treat for yourself. Each bite offers a refreshing burst that will leave everyone craving more!
Why You’ll Love This Recipe
- Delicious Flavor Combination: The zesty lemon and sweet blueberries create an irresistible taste that appeals to all.
- Impressive Presentation: This cake looks stunning when served, making it a showstopper at any event.
- Easy to Make: With straightforward steps, you can create this elegant dessert without any fuss.
- Versatile Serving Options: Enjoy it chilled as a refreshing dessert or paired with whipped cream for added indulgence.
- Perfect for Any Occasion: Whether it’s a picnic, holiday, or dinner party, this cake fits right in.
Tools and Preparation
To prepare your Lemon Blueberry Shortbread Mousse Cake, you will need some essential kitchen tools. Having these on hand will make your baking experience smoother.
Essential Tools and Equipment
- Food processor
- Mixing bowls
- Whisk or electric mixer
- 9-inch springform pan
- Saucepan
- Rubber spatula
Importance of Each Tool
- Food processor: This tool simplifies mixing the shortbread crust ingredients quickly and evenly.
- Mixing bowls: Having multiple sizes allows you to efficiently combine different components of the cake.
- Electric mixer: Ideal for whipping cream and cream cheese to achieve the perfect texture.
- Springform pan: It allows easy removal of the cake without damaging its delicate layers.
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
- Heat the lemon juice over low heat in a saucepan until warm.
- Stir in the bloomed gelatin (combined with water) until dissolved. Let this mixture cool to room temperature.
- In a mixing bowl, beat together the heavy cream, granulated sugar, and lemon zest until stiff peaks form.
Step 3: Combine Ingredients
- In another bowl, whip the softened cream cheese until smooth.
- Gradually add in the cooled lemon juice mixture while continuing to beat until fully incorporated.
- Fold in the whipped cream gently until combined.
Step 4: Assemble and Chill
- Pour the lemon mousse over the cooled shortbread crust in your 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 your springform pan.
- Slice and serve chilled for maximum freshness!
How to Serve Lemon Blueberry Shortbread Mousse Cake
This Lemon Blueberry Shortbread Mousse Cake is not just a treat; it’s a delightful centerpiece for any occasion. Here are some creative serving suggestions to elevate your dessert experience.
Individual Servings
- Serve in small glasses or jars for a charming presentation. Layer the mousse cake with extra blueberry compote for added flavor.
Garnish with Fresh Berries
- Top each slice with fresh blueberries and lemon zest. This adds a pop of color and enhances the fruity flavors of the cake.
Pair with Whipped Cream
- A dollop of freshly whipped cream on the side complements the rich texture of the mousse cake beautifully.
Add a Citrus Twist
- Drizzle some lemon glaze over the top before serving. This extra touch will enhance the lemony goodness and make it visually appealing.
Serve with Ice Cream
- A scoop of vanilla or lemon sorbet alongside each slice brings a refreshing contrast to this rich dessert.
Create a Dessert Platter
- Arrange slices of Lemon Blueberry Shortbread Mousse Cake on a platter with other desserts. This creates a delightful variety for guests to enjoy.

How to Perfect Lemon Blueberry Shortbread Mousse Cake
Achieving the perfect Lemon Blueberry Shortbread Mousse Cake is about attention to detail. Here are some tips to help you master this recipe.
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Use cold ingredients: Ensure your butter and cream cheese are cold for better texture when making the crust and mousse.
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Bloom gelatin properly: Mix gelatin with water first, allowing it to bloom for optimal consistency in your mousse.
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Whip cream until stiff peaks form: This is essential for achieving that light, airy texture that makes the mousse delightful.
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Chill adequately: Refrigerate your cake for at least 4 hours, allowing flavors to meld and achieve the perfect set.
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Run a knife around the edge: Before removing from the pan, run a knife around the edge to avoid breaking the cake during release.
Best Side Dishes for Lemon Blueberry Shortbread Mousse Cake
Pairing side dishes with your Lemon Blueberry Shortbread Mousse Cake can enhance its flavors. Here are some delicious options to consider.
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Fresh Fruit Salad: A refreshing mix of seasonal fruits balances out the richness of the cake.
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Lemon Sorbet: The tartness of lemon sorbet offers a cooling contrast that complements the dessert’s flavors perfectly.
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Chocolate Fondue: Dip fresh fruit into warm chocolate fondue for an indulgent pairing that contrasts nicely with the mousse cake.
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Cheese Platter: A selection of creamy cheeses can provide a savory balance against the sweetness of this dessert.
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Minted Greek Yogurt: A dollop of yogurt flavored with mint adds freshness and tanginess that pairs well with berry desserts.
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Lightly Toasted Nuts: Serve toasted almonds or walnuts on the side for an added crunch that contrasts with smooth textures.
Common Mistakes to Avoid
Making the Lemon Blueberry Shortbread Mousse Cake can be a delightful experience, but there are some common mistakes to watch out for.
- Skipping the chilling time: Not allowing the mousse cake to set properly can lead to a runny texture. Always refrigerate for at least 4 hours.
- Incorrectly measuring ingredients: Using too much or too little of an ingredient can affect the final taste and texture. Use precise measurements, especially for flour and sugar.
- Overmixing the cream: Be careful not to overbeat the whipped cream, as it may turn grainy. Stop mixing when stiff peaks form.
- Using warm gelatin: If the gelatin mixture is too hot when added to the cream cheese, it can cause lumps. Always let it cool to room temperature first.
- Ignoring crust cooling time: If you pour the mousse over a warm crust, it can melt and ruin your layers. Ensure the shortbread crust is completely cool before adding the mousse.

Storage & Reheating Instructions
Refrigerator Storage
- Store any leftover Lemon Blueberry Shortbread Mousse Cake in an airtight container.
- It will last for up to 3 days in the refrigerator.
Freezing Lemon Blueberry Shortbread Mousse Cake
- Wrap slices tightly in plastic wrap or aluminum foil.
- You can freeze it for up to 2 months for best quality.
Reheating Lemon Blueberry Shortbread Mousse Cake
- Oven: Preheat to 350°F (175°C). Place slices on a baking sheet and heat for about 10 minutes, just until slightly warm.
- Microwave: Heat individual slices on medium power for 15-20 seconds, keeping an eye on them to avoid melting.
- Stovetop: Use a skillet over low heat; cover with a lid and warm for about 5 minutes.
Frequently Asked Questions
Here are some common questions about making and serving this delicious dessert.
What makes Lemon Blueberry Shortbread Mousse Cake unique?
The combination of zesty lemon mousse paired with sweet blueberry compote and buttery shortbread crust creates a delightful balance of flavors that is refreshing yet rich.
Can I use frozen blueberries in this recipe?
Yes, you can use frozen blueberries! Just make sure to thaw and drain them well before using them in your compote.
How do I customize my Lemon Blueberry Shortbread Mousse Cake?
Feel free to add other berries like raspberries or strawberries for variety, or try incorporating different flavors like vanilla or almond extract into your mousse.
Is there a way to make this dessert gluten-free?
You can substitute all-purpose flour with a gluten-free flour blend designed for baking. Be sure to check that your other ingredients are also gluten-free.
What should I serve with my Lemon Blueberry Shortbread Mousse Cake?
This cake pairs wonderfully with whipped cream or a scoop of vanilla ice cream. Fresh mint leaves as garnish add an elegant touch too!
Final Thoughts
The Lemon Blueberry Shortbread Mousse Cake is not only a stunning dessert but also incredibly versatile. Its bright flavors make it perfect for summer gatherings or simply as a treat after dinner. Feel free to customize it with your favorite fruits or flavors—your creativity will make it even more delightful!

Lemon Blueberry Shortbread Mousse Cake
- Total Time: 48 minutes
- Yield: Serves approximately 10 slices 1x
Description
Lemon Blueberry Shortbread Mousse Cake is a stunning dessert that perfectly balances tangy lemon mousse with sweet blueberry compote, all sitting atop a buttery shortbread crust. This delightful treat is not only visually appealing but also incredibly refreshing, making it an ideal choice for summer gatherings, birthdays, or simply as a well-deserved indulgence. Each layer harmonizes beautifully to create a taste experience that will leave your guests asking for seconds. With easy-to-follow instructions and simple ingredients, you can impress your family and friends with this elegant dessert that’s sure to become a favorite.
Ingredients
- 1 1/2 cups all-purpose flour
- 1/2 cup powdered sugar
- 1/2 cup unsalted butter (cold and cubed)
- 1 cup heavy cream
- 1/2 cup granulated sugar
- Zest of 2 lemons
- 1/2 cup fresh lemon juice
- 8 ounces cream cheese (softened)
- 2 cups fresh blueberries
Instructions
- Preheat the oven to 350°F (175°C). In a food processor, blend flour, powdered sugar, butter, and salt until crumbly. Press into the bottom of a springform pan and bake for 15–18 minutes until golden. Let cool.
- In a saucepan, warm lemon juice; dissolve bloomed gelatin in it. Allow to cool. Whip together heavy cream, granulated sugar, and lemon zest until stiff peaks form.
- In another bowl, beat softened cream cheese until smooth; mix in cooled lemon juice mixture. Fold in whipped cream gently.
- Pour the mousse over the cooled crust and refrigerate for at least 4 hours until set.
- Carefully release from the springform pan and serve chilled.
- Prep Time: 30 minutes
- Cook Time: 18 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (120g)
- Calories: 320
- Sugar: 25g
- Sodium: 160mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 60mg