• Prep Time: 20 mins
  • Cooking Time: 10 mins
  • Serves: 10

Lemon Mousse Pie Recipe

  • Recipe Submitted by on

 Ingredients List

  • CRUST:
  • 3 cups (about 300 grams) shortbread cookies, crushed (see Notes)
  • 1/4 cup (56 grams) unsalted butter, melted
  • LEMON CURD:
  • 1/2 cup (113 grams) unsalted butter
  • 1 cup (200 grams) granulated sugar
  • 1 cup (235 grams) freshly squeezed lemon juice
  • 4 large eggs
  • 4 large egg yolks
  • 1/4 cup (28 grams) cornstarch
  • MOUSSE FILLING:
  • 3 tablespoons water
  • 2 teaspoons (1 envelope) gelatin
  • Lemon curd (see above)
  • 4 large egg whites
  • 1/2 cup (100 grams) sugar
  • 1 cup (237 ml) heavy cream

 Directions

TO MAKE THE CRUST:
Combine the shortbread cookie crumbs and butter. Press into an ungreased 9-inch pie dish. Bake at 350 degrees F for 10 minutes. Let cool completely.

TO MAKE THE LEMON CURD:
Combine the butter, sugar, and lemon juice in a medium saucepan over medium low heat. Stir to dissolve the sugar and melt butter. Heat until steaming, but not quite yet boiling.
Meanwhile, whisk together the eggs and egg yolks with the cornstarch in a medium bowl. Slowly add the heated lemon juice mixture to the eggs in a slow and steady stream while whisking constantly. When fully combined, pour the mixture back into the saucepan.
Place saucepan over medium heat and cook until mixture thickens, about 5 minutes, while whisking constantly. Pass lemon curd through a fine mesh strainer (to remove any lumps) into a small bowl or container. Place plastic wrap directly onto the surface of the curd and chill in the fridge for at least 1 hour. Lemon curd may be stored in the fridge for up to 1 week.

TO MAKE THE MOUSSE:
Place the water in a small saucepan and sprinkle with the gelatin. Let sit for 5 minutes until gelatin is absorbed. Place over low heat and stir until gelatin is completely dissolved. Add 1/2 cup of the lemon curd and stir until mixture is smooth and all lumps are gone. Remove from heat and stir in another 1 cup of the lemon curd.
In the bowl of a stand mixer fitted with a whisk attachment, or in a bowl with a hand-held mixer, beat the egg whites on high speed until foamy. With mixer on, slowly add sugar. Beat to stiff peaks. Gently fold the egg whites into the lemon curd mixture in 3 additions.
Using the same bowl and whisk, beat the heavy cream on high speed to stiff peaks. Gently fold the whipped cream into the lemon mixture in 3 additions, careful not to deflate the mousse.
Dump the mousse into the prepared pie crust and smooth the top. Spread the remaining lemon curd (should be about 1/2 cup) on top of the mousse. Chill in the fridge for at least 2 hours. Garnish with whipped cream and lemons before serving, if desired. Store leftovers in the fridge for up to 3 days.

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