Pistachio & Meyer Lemon Mousse Cakes with Mirror Glaze ✨
Indulge in these elegant Pistachio & Meyer Lemon Mousse Cakes, featuring a zesty lemon curd core, a delightful pistachio dacquoise base, and a stunning mirror glaze. While this beautiful dessert involves several steps, it's designed to be spread out over a few days, making the process manageable and enjoyable. Perfect for special occasions!
Equipment
- 1-inch silicone sphere molds
- Small Saucepan
- Baking Sheet
- Parchment Paper
- Food Processor
- Piping bag with ½-inch round tip
- Cookie cutter (one size larger than 2½-inch)
- 2½-inch silicone dome molds
- Fine Mesh Sieve
- Immersion blender (optional)
Ingredients
Lemon Curd
- 1 tsp Meyer Lemon Zest from 1 lemon
- 0.33 cup Meyer Lemon Juice about 3 lemons
- 0.25 cup Granulated Sugar
- 1.5 tsp Cornstarch
- 1 tbsp Water
- 0.75 sheet Leaf Gelatin (or ¾ tsp powdered gelatin)
- 2 tbsp Salted Butter cubed
- Yellow Food Coloring optional
Pistachio Dacquoise
- 3.5 ounces Raw Shelled Pistachios (or 1.75 oz raw pistachios + 1.75 oz pistachio or almond flour)
- 0.5 cup Powdered Sugar plus more for dusting
- Salt Pinch
- 2 large Egg Whites
- 0.25 cup Granulated Sugar
- 0.25 tsp Pistachio Extract optional
Lemon Vanilla Mousse
- 2 sheets Leaf Gelatin (or 2 tsp powdered gelatin)
- 4 large Egg Yolks at room temperature
- 6 tbsp Heavy Cream
- 6 tbsp Whole Milk
- 1 tbsp Meyer Lemon Zest from 2 large lemons
- 0.5 tsp Vanilla Paste or Extract
- 1 cup Heavy Cream cold
Mirror Glaze
- 6 sheets Leaf Gelatin (or 6 tsp powdered gelatin)
- 1 cup Granulated Sugar
- 0.66 cup Corn Syrup
- 0.5 cup Water
- 0.5 cup Sweetened Condensed Milk
- 7 ounces Good Quality White Chocolate finely chopped
- Food Coloring gel or powder, as desired
Garnish
- Chopped Pistachios for garnish
Instructions
Day 1: Prepare Lemon Curd & Pistachio Base
- For the Lemon Curd: Soften ¾ sheet of leaf gelatin in cold water for 5+ minutes. In a small saucepan, combine lemon juice, 1 tsp zest, and ¼ cup granulated sugar. Bring to a simmer over medium heat.
- Whisk 1 ½ tsp cornstarch with 1 tbsp water, then add to the saucepan. Simmer for 1 minute, stirring, until thickened.
- Squeeze water from gelatin and add to the warm lemon mixture, whisking until fully dissolved. Remove from heat, then whisk in butter until smooth. Add a tiny bit of yellow food coloring if you like a brighter color.
- Pour the curd into 1-inch silicone sphere molds. Freeze them overnight until completely set.
- For the Pistachio Dacquoise: Preheat your oven to 300°F (150°C). Line a baking sheet with parchment paper and trace twelve 2½-inch circles on it to guide your piping.
- In a food processor, pulse 3.5 oz pistachios (or 1.75 oz pistachios + 1.75 oz pistachio/almond flour) with ½ cup powdered sugar and a pinch of salt until finely ground.
- In a clean bowl, whip 2 large egg whites until frothy. Slowly add ¼ cup granulated sugar, spoonful by spoonful, while whipping. Increase speed to high and beat until stiff, glossy peaks form.
- Gently fold half of the ground pistachio mixture into the egg whites, then add the rest, folding until just combined.
- Transfer this mixture to a piping bag with a ½-inch round tip. Pipe inside the traced circles on your parchment. Sprinkle with a few chopped pistachios and lightly dust with powdered sugar.
- Bake for 8 minutes. Remove from oven, and while still soft, use a cookie cutter (one size larger than your original trace) to gently swirl around each meringue to refine its shape. Return to oven and bake for another 25-35 minutes, until crispy and lightly browned. Turn off the oven, crack the door, and let them cool inside to dry out further. Store cooled dacquoise in an airtight container.
Day 2: Create Mousse & Assemble Cakes
- For the Lemon Vanilla Mousse: Soften 2 sheets of leaf gelatin in cold water for 5+ minutes. In a bowl, whisk 4 large egg yolks with ¼ cup granulated sugar until light and creamy.
- In a saucepan, gently warm 6 tbsp heavy cream, 6 tbsp whole milk, 1 tbsp lemon zest, and ½ tsp vanilla until it just starts to steam.
- Slowly ladle some warm cream mixture into the egg yolks, whisking constantly to temper them. Then pour the egg yolk mixture back into the saucepan. Cook over low heat, stirring often, until it thickens slightly and coats the back of a spoon (should reach 165°F/74°C).
- Squeeze water from gelatin and add to the warm custard, whisking until smooth. Strain the custard through a fine-mesh sieve to remove zest. Let it cool for at least 15 minutes until lukewarm.
- In a separate clean bowl, whip 1 cup cold heavy cream until it holds soft peaks.
- Gently fold about a third of the whipped cream into the cooled custard to lighten it, then fold in the remaining whipped cream until everything is well combined and airy.
- To Assemble: Spoon or pipe the mousse into your 2½-inch silicone dome molds, filling them almost to the top.
- Carefully press a frozen lemon curd dome (curved side down) into the center of each mousse-filled mold. If they start to sink, chill the mousse in the molds for 15 minutes first.
- Finally, top each with a pistachio dacquoise round, pressing gently until the mousse just reaches the edges. Place the molds on a flat baking sheet and freeze for at least 3 hours or overnight until completely solid.
Day 3: Glaze & Garnish
- Prepare Cakes for Glazing: Once frozen solid, gently pop the cakes out of their molds. Invert them (dacquoise side down) onto a frozen, parchment-lined baking sheet. Return them to the freezer while you make the glaze.
- For the Mirror Glaze: Soften 6 sheets of leaf gelatin in cold water for 5+ minutes. Place 7 oz finely chopped white chocolate in a heat-proof bowl.
- In a saucepan, combine 1 cup granulated sugar, ⅔ cup corn syrup, and ½ cup water. Bring to a boil over medium heat, stirring until sugar is fully dissolved and the mixture is clear.
- Remove from heat. Squeeze water from gelatin and whisk into the hot syrup until dissolved. Whisk in ½ cup sweetened condensed milk.
- Pour this hot mixture over the chopped white chocolate. Let it sit for 30 seconds, then stir until the chocolate is completely melted and the glaze is smooth (an immersion blender works great here, but avoid creating air bubbles).
- Add food coloring as desired for a vibrant yellow hue.
- Let the glaze cool, stirring occasionally, until it reaches about 85-90°F (29-32°C) on an instant-read thermometer. This temperature is key for a perfect coat!
- Glaze the Cakes: Remove the frozen cakes from the freezer. Place them on small jars or cookie cutters, elevated over a baking sheet (to catch excess glaze). Work quickly, perhaps in batches.
- Generously pour the glaze over each frozen cake, ensuring it's fully coated. Let the excess glaze drip off for 5-10 minutes.
- Gently scrape any drips from the bottom edges of the cakes. Carefully transfer them using a small offset spatula to individual cake rounds or parchment squares.
- Press chopped pistachios onto the bottom edges of each cake for a lovely finish. Garnish with a lemon twist if you wish.
- Glazed cakes are best served chilled or at cool room temperature. Store in the refrigerator for up to 2 days for best texture (the dacquoise can soften after that).
Notes
This beautiful dessert has a few steps, but you can spread them out over a few days to make it super easy! Glazed cakes are best served chilled or at cool room temperature. Store in the refrigerator for up to 2 days for best texture (the dacquoise can soften after that).
Nutrition Information (per serving):
- Calories: 275 kcal
- Total Carbohydrates: 32g
- Net Carbohydrates: 30g
- Fats: 20g
- Protein: 6g
