Ingredients
Scale
- For the Blueberry Mousse:
- 2 cups fresh or frozen blueberries
- 1/4 cup granulated sugar
- 1 tbsp lemon juice
- 2 tsp powdered gelatin
- 2 tbsp cold water
- 1 1/4 cups heavy cream, chilled
- 1 tsp vanilla extract
- For the Vanilla Cake Base:
- 1/2 cup all-purpose flour
- 1/2 tsp baking powder
- 1/8 tsp salt
- 1/4 cup granulated sugar
- 1 large egg
- 2 tbsp unsalted butter, melted
- 2 tbsp whole milk
- 1/2 tsp vanilla extract
- For the Midnight Blueberry Mirror Glaze:
- 1/2 cup water
- 3/4 cup granulated sugar
- 1/2 cup sweetened condensed milk
- 2 tbsp light corn syrup
- 2 1/2 tsp powdered gelatin
- 3 tbsp cold water
- 6 oz white chocolate, finely chopped
- 1/2 tsp blueberry extract
- 1/2 tsp navy blue gel food coloring
- 1 drop black gel food coloring
- 1 drop violet gel food coloring
- For Garnish (optional):
- Fresh blueberries
- Edible silver leaf flakes
- Small mint leaves
Instructions
- 1. Bloom the gelatin for the mousse in cold water for 5 minutes.
- 2. Simmer the blueberries, sugar, and lemon juice for 6–8 minutes until softened. Blend until smooth and strain if desired.
- 3. Stir the bloomed gelatin into the warm blueberry purée until dissolved. Let cool to room temperature.
- 4. Whip the heavy cream to soft peaks. Fold the vanilla and cooled blueberry mixture into the whipped cream.
- 5. Prepare the cake by mixing the flour, baking powder, salt, sugar, egg, melted butter, milk, and vanilla until smooth.
- 6. Bake in a lined pan at 350°F (175°C) for 12–15 minutes. Cool completely and cut circles slightly smaller than the dome molds.
- 7. Fill silicone dome molds halfway with blueberry mousse. Press a cake round onto each dome and smooth the bottoms. Freeze for at least 6 hours or overnight.
- 8. Bloom the glaze gelatin in cold water.
- 9. Heat the water, sugar, condensed milk, and corn syrup until steaming. Remove from the heat and stir in the gelatin.
- 10. Pour the hot mixture over the white chocolate. Let stand for 2 minutes, then blend until smooth.
- 11. Add the blueberry extract and gel food coloring until a deep midnight blue color is achieved. Cool the glaze to about 90–95°F (32–35°C).
- 12. Unmold the frozen domes and place them on a wire rack over a tray.
- 13. Pour the mirror glaze evenly over each dome in one continuous motion until fully coated.
- 14. Transfer the glazed domes to serving plates and refrigerate for 1–2 hours before serving.
- 15. Garnish with fresh blueberries, edible silver leaf flakes, and mint leaves.
Notes
The gelatin must bloom properly for the mousse and glaze to set. The glaze temperature is critical for a perfect mirror finish.
- Prep Time: 45 minutes
- Cook Time: 20 minutes
- Method: Dessert
- Cuisine: American
Nutrition
- Calories: 395
- Sugar: 34 g
- Fat: 24 g
- Carbohydrates: 42 g
- Protein: 5 g