INGREDIENTS
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Yield: about 10-12 servings
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INGREDIENTS
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For the tart shell:
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1 large egg yolk
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1 tbsp. heavy cream
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½ tsp. vanilla extract
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1 cup (5 oz.) all-purpose flour, plus more for dusting the work surface
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¼ cup (¾ oz.) Dutch-process cocoa powder
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2/3 cup (2 2/3 oz.) confectioners’ sugar
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¼ tsp. salt
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8 tbsp. cold unsalted butter, cut into ½-inch cubes
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For the filling:
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12 oz. good quality bittersweet chocolate, finely chopped
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6 tbsp. unsalted butter, softened
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1 cup heavy cream
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1 tbsp. liqueur, such as Kahlua, brandy, or dark rum (optional)