Looking for a showstopping dessert that feels like sunshine on a plate? This Lemon Blueberry Mousse Cake is your answer. Light, tangy, creamy, and packed with berry goodness, it’s the kind of sweet easy recipe that brings a smile at first bite. Whether you’re planning a summer celebration or need a refreshingly simple treat, this one’s a keeper. At Betty Cooks, we believe every dessert should be both beautiful and effortless—and this one delivers on both fronts.

Table of Contents
- Why This Mousse Cake Is a Must-Try
- The Joy of Sweet Easy Recipes
- Make-Ahead Magic for Entertaining
- Seasonal Inspiration: Lemon and Blueberry Bliss
- Presentation Tips for a Showstopper
- Perfect Pairings and Serving Ideas
- Key Takeaways
- Recipe & Instructions
- Notes & Tips
Key Takeaways
This mousse cake is no-bake, light in texture, and rich in flavor. It combines the buttery crunch of shortbread with creamy lemon mousse and a burst of blueberry preserves. It’s ideal for summer gatherings and quick enough to fit into your collection of sweet easy recipes.

Why This Mousse Cake Is a Must-Try
If you love quick and easy recipes that wow your guests, this mousse cake is calling your name. It’s the kind of dessert that’s impressive yet simple—a hallmark of Betty’s collection of sweet easy recipes. Best part? No oven required.

The Joy of Sweet Easy Recipes
This cake fits right into your go-to list of food receipt easy recipes. The mousse is silky and airy, complemented by a tart blueberry layer and the rich crunch of a shortbread crust. It’s a celebration of ease and flavor in one slice.

Make-Ahead Magic for Entertaining
This recipe is perfect for meal prep or entertaining. Prepare the cake the night before and let it chill while you focus on other dinner recipes. It saves time and sets you up for compliments at the table.
Seasonal Inspiration: Lemon and Blueberry Bliss
Lemon and blueberry are a match made in summer dessert heaven. Their fresh, tangy notes brighten every bite—ideal for anyone who loves desserts to impress and wants something as eye-catching as it is delicious.
Presentation Tips for a Showstopper
Top your mousse cake with swirls of whipped cream, extra lemon zest, and fresh blueberries for visual flair. With a dessert this pretty, it’ll be the star of your Pinterest board for sweet easy recipes and air fryer desserts easy recipes alike.
Perfect Pairings and Serving Ideas
Serve this mousse cake after a light meal or as part of a weekend brunch. Pair it with iced tea, sparkling lemonade, or prosecco for an elegant finish to your recipes for dinner menu lineup.


Lemon Blueberry Mousse Cake with Shortbread Crust
Ingredients
- 1 package Walkers Shortbread cookies, finely crushed
- 4 tablespoons melted butter
- 1/2 cup blueberry preserves
- 1 1/2 cups heavy whipping cream
- 1/2 cup powdered sugar
- 1 teaspoon vanilla extract
- 8 oz cream cheese, softened
- Zest and juice of 1 lemon
- 1/2 cup fresh blueberries (for garnish)
- Optional: whipped cream for topping
Instructions
- In a bowl, combine crushed shortbread cookies with melted butter. Press into the bottom of a springform pan to form a crust. Refrigerate for 15 minutes.
- Spread blueberry preserves evenly over the crust and return to the fridge.
- In a large mixing bowl, beat the cream cheese, lemon zest, lemon juice, powdered sugar, and vanilla until smooth.
- In a separate bowl, whip the heavy cream to stiff peaks, then gently fold into the cream cheese mixture.
- Spread the mousse mixture over the blueberry layer, smoothing the top.
- Chill the cake for at least 4 hours or overnight for best results.
- Before serving, top with fresh blueberries and optional whipped cream.
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