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Elegant No-Bake White Chocolate Mousse Tart Perfection

A close-up of a thick slice of white chocolate mousse tart with a golden-brown crust, sitting on a white plate.
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Welcome to Devour Dish! You can make this stunning white chocolate mousse tart without turning on your oven. It features a wonderfully creamy white chocolate filling set perfectly inside a crispy, buttery tart shell. This recipe shows you how to create a deliciously elegant dessert that looks impressive but uses straightforward techniques.

Ingredients

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  • 1 1/2 cups all-purpose flour
  • 1/2 cup cold unsalted butter, cubed
  • 1/4 teaspoon salt
  • 3 tablespoons granulated sugar
  • 3–4 tablespoons ice water
  • 8 ounces high-quality white chocolate, finely chopped
  • 1 cup heavy cream, divided
  • 4 large egg yolks
  • 1/4 cup granulated sugar (for custard base)
  • 1 teaspoon vanilla extract
  • 1 cup heavy cream, chilled (for whipping)
  • Fresh raspberries or chocolate curls, for garnish

Instructions

  1. Prepare the Crust: In a food processor, pulse the flour, salt, and 3 tablespoons of sugar until combined. Add the cold butter and pulse until the mixture resembles coarse crumbs. Slowly add ice water, one tablespoon at a time, until the dough just comes together. Form into a disk, wrap, and chill for 30 minutes.
  2. Bake the Crust: Preheat your oven to 375°F (190°C). Roll out the chilled dough and press it into a 9-inch tart pan with a removable bottom. Prick the bottom all over with a fork. Line the shell 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.
  3. Make the White Chocolate Custard Base: Place the chopped white chocolate in a heatproof bowl. In a small saucepan, heat 1/4 cup of the heavy cream until just simmering. Pour the hot cream over the white chocolate and let it sit for 2 minutes, then whisk until smooth.
  4. Temper the Egg Yolks: In a separate bowl, whisk the egg yolks and 1/4 cup sugar until pale. Slowly stream about half of the warm white chocolate mixture into the yolks while whisking constantly to temper them. Pour the tempered yolk mixture back into the saucepan with the remaining white chocolate mixture.
  5. Cook the Custard: Cook the mixture over low heat, stirring constantly with a rubber spatula, until it thickens enough to coat the back of the spoon (do not boil). Remove from heat, stir in the vanilla extract, and let it cool to room temperature.
  6. Prepare the Mousse Filling: In a large bowl, whip the remaining 1 cup of cold heavy cream until stiff peaks form. Gently fold about one-third of the whipped cream into the cooled white chocolate custard base to lighten it. Then, gently fold in the remaining whipped cream until just combined, being careful not to deflate the air.
  7. Assemble and Chill: Pour the silky white chocolate mousse filling 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 completely set.
  8. Garnish and Serve: Before serving this showstopper dessert, carefully remove the tart from the pan. Top with fresh raspberries or delicate chocolate curls. Slice and enjoy your luxurious treat.

Notes

  • For a truly luxurious flavor, use high-quality white chocolate that contains cocoa butter.
  • If you want a slight spice note, add 1/4 teaspoon of cayenne pepper and 1/2 teaspoon of cinnamon to the dry ingredients for the tart crust.
  • This make ahead dessert recipe is perfect for parties; prepare the entire tart a day in advance.

Nutrition

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