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A slice of Dreamy Lemon Blueberry Mousse Cake showcasing layers of fluffy mousse, vibrant blueberries, and lemon zest topped with fresh berries and mint.

Dreamy Lemon Blueberry Mousse Cake: Viral Summer Delight

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Experience the refreshing burst of flavors with the Dreamy Lemon Blueberry Mousse Cake, a viral summer delight that combines zesty lemon, sweet blueberries, and creamy mousse in a no-bake, stunning dessert. Perfect for hot days and special occasions, this easy mousse cake is a visual and taste sensation that will impress everyone.

  • Total Time: 4 hours 30 minutes
  • Yield: 8 servings

Ingredients

Scale
  • 1 ½ cups fresh blueberries
  • 1 cup granulated sugar
  • 1 tbsp lemon zest
  • ½ cup freshly squeezed lemon juice
  • 2 cups heavy cream
  • 8 oz cream cheese, softened
  • 1 cup graham cracker crumbs
  • ½ cup unsalted butter, melted
  • 1 packet unflavored gelatin (optional for added stability)
  • Fresh blueberries and lemon slices for garnish

Instructions

  1. Mix graham cracker crumbs with melted butter until crumbly, then press into a springform pan and chill for 15-20 minutes.
  2. Cook blueberries with sugar and lemon juice until berries break down, then strain and cool to make blueberry syrup.
  3. Whip heavy cream to soft peaks, set aside.
  4. Mix cream cheese with lemon zest and juice until smooth.
  5. Fold blueberry syrup into cream cheese mixture, dissolve gelatin if using, then fold in whipped cream for light mousse.
  6. Pour mousse over the crust, smooth the surface, and chill for at least 4 hours or overnight.

Notes

  • Use fresh blueberries for best flavor, but thawed frozen blueberries can be substituted.
  • Ensure blueberry syrup is cooled before folding into cream cheese to prevent melting the cream.
  • Chilling overnight enhances flavor and texture.
  • Garnish with extra blueberries, lemon slices, or mint for presentation.
  • Author: Emma Bloomfield
  • Prep Time: 20 minutes
  • Cook Time: 10 minutes
  • Category: Desserts
  • Method: No-Bake
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 slice
  • Calories: 370 Kcal
  • Sugar: 25g
  • Sodium: 120mg
  • Fat: 28g
  • Saturated Fat: 16g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 3g
  • Protein: 4g
  • Cholesterol: 80mg