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Elegant No-Bake White Chocolate Mousse Tart

A close-up of a slice of white chocolate mousse tart with a graham cracker crust, topped with creamy filling and fresh raspberries.
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You can create this stunning white chocolate mousse tart that looks like it came from a Parisian patisserie. It features a buttery, crisp tart shell filled with a silky, velvety white chocolate mousse. This make-ahead dessert is surprisingly easy and perfect for impressing guests at any special occasion.

Ingredients

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  • 1 1/2 cups all-purpose flour
  • 1/2 cup cold unsalted butter, cubed
  • 1/4 cup granulated sugar
  • 1/4 teaspoon salt
  • 1 large egg yolk
  • 2 tablespoons ice water (plus more if needed)
  • 8 ounces high-quality white chocolate, finely chopped
  • 1 cup heavy cream, divided
  • 4 large egg yolks
  • 1/4 cup granulated sugar
  • 1 teaspoon vanilla extract
  • Fresh raspberries or citrus zest, for garnish

Instructions

  1. Prepare the Tart Shell: In a food processor, pulse the flour, cold butter, 1/4 cup sugar, and salt until the mixture resembles coarse crumbs. Add the egg yolk and pulse until just combined. Add ice water one tablespoon at a time until the dough just comes together. Do not overmix.
  2. Form the Crust: Press the dough evenly into a 9-inch tart pan with a removable bottom. Prick the bottom all over with a fork. Chill the crust for at least 30 minutes.
  3. Blind Bake the Crust: Preheat your oven to 375°F (190°C). Line the chilled crust with parchment paper and fill with pie weights or dried beans. Bake for 15 minutes. Remove the weights and paper and bake for another 5-7 minutes until lightly golden. Let the crust cool completely on a wire rack.
  4. Make the White Chocolate Base: Place the chopped white chocolate in a heatproof bowl. In a small saucepan, heat 1/4 cup of the heavy cream until it just simmers. Pour the hot cream over the white chocolate and let it sit for 2 minutes. Whisk until completely smooth. Set aside to cool slightly.
  5. Prepare the Custard Base: In a separate bowl, whisk the 4 egg yolks and 1/4 cup sugar until pale and thick. In the same small saucepan, heat the remaining 3/4 cup heavy cream until it simmers. Slowly temper the hot cream into the egg yolk mixture while whisking constantly. Return the mixture to the saucepan and cook over low heat, stirring constantly with a rubber spatula until the mixture thickens enough to coat the back of the spatula (do not boil).
  6. Combine: Pour the warm custard mixture over the slightly cooled white chocolate mixture. Stir in the vanilla extract until fully combined and smooth. Let this mixture cool to room temperature, stirring occasionally.
  7. Whip the Mousse: In a clean bowl, whip the remaining 1/2 cup heavy cream until medium-stiff peaks form. Gently fold the whipped cream into the cooled white chocolate mixture in three additions until the mousse is light and uniform.
  8. Assemble and Chill: Pour the velvety white chocolate mousse into the cooled tart shell. Smooth the top with an offset spatula. Cover the tart loosely with plastic wrap and refrigerate for at least 6 hours, or preferably overnight, until the mousse is firm.
  9. Serve: Carefully remove the tart ring. Garnish the top with fresh raspberries, strawberries, or delicate chocolate curls before slicing and serving this showstopper dessert.

Notes

  • For an extra buttery crust, use almond flour instead of regular flour for a gluten-free option.
  • Make sure your white chocolate contains cocoa butter for the best melting and setting quality.
  • This tart is best made one day ahead to allow the mousse to set fully, making entertaining simple.

Nutrition

Find it online: https://yumdrizzle.com/white-chocolate-mousse-tart-recipe/