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A slice of Lemon Blueberry Mousse Cake on a white plate, revealing three layers: a vibrant yellow lemon mousse top, a fresh blueberry filling in the middle, and a light sponge base. The cake is adorned with scattered blueberries and a lemon zest curl, with a glossy glaze adding sheen. The background is softly blurred, showcasing a summery table setting with natural lighting.

Lemon Blueberry Mousse Cake: A Dreamy Summer Dessert

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Experience the zestful and sweet flavors of summer with this Lemon Blueberry Mousse Cake. Perfectly combining tangy lemon, fresh blueberries, and airy mousse, this dreamy summer dessert is an elegant treat for garden parties, special occasions, or any warm-weather gathering. Easy to make and visually stunning, it’s a taste of sunshine in every bite.

  • Total Time: 4 hours 35 minutes
  • Yield: 8-10 servings

Ingredients

Scale
  • 1 ½ cups of fresh blueberries
  • 1 cup of granulated sugar
  • 2 tablespoons of lemon zest
  • 1/2 cup of fresh lemon juice
  • 3 cups of heavy cream
  • 4 sheets of gelatin (or powdered gelatin equivalent)
  • 1 teaspoon of vanilla extract
  • 1 pre-made sponge cake or ladyfingers for the base
  • Optional: extra blueberries and lemon slices for garnish

Instructions

  1. Prepare the blueberry puree: Combine blueberries, sugar, and lemon zest in a saucepan. Cook until blueberries soften, then blend until smooth. Strain to remove seeds and let cool.
  2. Make the gelatin mixture: Bloom gelatin in cold water for 5 minutes, warm some blueberry puree, and dissolve gelatin in it. Mix thoroughly and set aside.
  3. Whip the lemon mousse: Whip heavy cream with vanilla until soft peaks form. Fold in the cooled blueberry-gelatin mixture, then add lemon juice and fold until smooth and fluffy.
  4. Assemble the cake: Place sponge cake or ladyfingers at the bottom of your cake pan. Spread blueberry lemon mousse over the layer. Repeat layers if desired, then chill for at least 4 hours until set.
  5. Garnish and serve: Decorate with fresh blueberries, lemon slices, and mint. Optionally, add honey or whipped cream for extra flair.

Notes

  • Use fresh, ripe blueberries for the best flavor.
  • Ensure the mousse is well chilled before layering to prevent sinking.
  • Make the mousse a day ahead for better flavor and easier assembly.
  • Author: Serena Miller
  • Prep Time: 20 minutes
  • Cook Time: 15 minutes
  • Category: Dessert
  • Method: No-Bake
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 slice (1/10 of cake)
  • Calories: 350 Kcal
  • Sugar: 25g
  • Sodium: 60mg
  • Fat: 25g
  • Saturated Fat: 15g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 3g
  • Protein: 4g
  • Cholesterol: 75mg
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