Dark Chocolate Pistachio Tart (Print Page)

Crisp cocoa crust filled with silky dark chocolate ganache and topped with crunchy pistachios.

# What You Need:

→ Chocolate Tart Crust

01 - 1 1/2 cups all-purpose flour
02 - 1/4 cup unsweetened cocoa powder
03 - 1/2 cup powdered sugar
04 - 1/4 teaspoon fine sea salt
05 - 1/2 cup unsalted butter, cold and cubed
06 - 1 large egg yolk
07 - 2 to 3 tablespoons cold water

→ Dark Chocolate Ganache Filling

08 - 9 oz high-quality dark chocolate (60-70% cocoa), finely chopped
09 - 3/4 cup plus 2 tablespoons heavy cream
10 - 2 tablespoons unsalted butter, softened
11 - 1 teaspoon pure vanilla extract

→ Pistachio Topping

12 - 1/3 cup shelled pistachios, roughly chopped
13 - Flaky sea salt to taste

# Directions:

01 - In a large mixing bowl, whisk together the all-purpose flour, unsweetened cocoa powder, powdered sugar, and fine sea salt until evenly blended.
02 - Add the cold, cubed unsalted butter to the flour mixture. Using a pastry cutter or your fingertips, work the butter into the dry ingredients until the mixture resembles coarse crumbs with pea-sized pieces remaining.
03 - Add the egg yolk and 2 tablespoons of cold water to the crumb mixture. Gently mix until the dough just begins to come together, adding the remaining tablespoon of water only if needed. Shape the dough into a flat disc, wrap tightly in plastic wrap, and refrigerate for at least 30 minutes.
04 - On a lightly floured surface, roll the chilled dough out to a circle approximately 11 inches in diameter. Carefully transfer it into a 9-inch tart pan with a removable bottom, pressing the dough evenly into the corners and up the sides. Trim any excess dough from the edges and prick the base several times with a fork. Refrigerate for another 15 minutes.
05 - Preheat the oven to 350°F. Line the crust with parchment paper and fill it with baking weights or dried beans. Bake for 15 minutes, then remove the weights and parchment. Continue baking for 8 to 10 minutes until the crust appears dry and set. Allow it to cool completely in the pan.
06 - Place the finely chopped dark chocolate in a heatproof bowl. Heat the heavy cream in a small saucepan over medium heat until it just begins to simmer around the edges. Immediately pour the hot cream over the chocolate and let it stand undisturbed for 2 minutes.
07 - Beginning at the center, stir the cream and chocolate together in small circles, gradually widening until the mixture is completely smooth and glossy. Stir in the softened butter and pure vanilla extract until fully incorporated.
08 - Pour the finished ganache into the completely cooled tart shell, using an offset spatula to smooth the surface into an even layer.
09 - Scatter the roughly chopped pistachios evenly across the surface of the ganache. Finish with a light pinch of flaky sea salt if desired.
10 - Refrigerate the assembled tart for at least 2 hours, or until the ganache is firmly set. To serve, remove the tart from the pan and slice with a hot, clean knife for neat, sharp edges.

# Expert Tips:

01 -
  • The cocoa laced crust tastes like a brownie met a shortbread and they got along famously.
  • That ganache sets into something so silky it barely registers as solid until you bite through the crunch of pistachios on top.
02 -
  • If you skip the second chill after lining the pan, the butter melts too fast in the oven and the crust slumps right down the sides.
  • Letting the hot cream sit on the chocolate before stirring is the single trick that prevents grainy, separated ganache.
03 -
  • Run your knife under hot water and wipe it dry between every single slice for edges clean enough to photograph.
  • Toast the pistachios in a dry pan for 3 minutes before chopping to deepen their flavor and crunch.