Lime-Pistachio Tart

Ingredients

• 1 cup shelled raw unsalted pistachios, half coarsely ground and half finely ground
• 1 3/4 cups all-purpose flour, plus more for dusting
• 3/4 cup plus 1 tablespoon confectioners' sugar
• 1 1/2 teaspoons coarse salt
• 1 tablespoon finely grated lime zest (about 2 limes)
• 1/2 cup (1 stick) cold unsalted butter, cut into 1/4-inch pieces
• 1 large egg yolk plus 1 large egg
• 1 cup whole-milk ricotta cheese
• 2 cups sugar
• 20 large egg yolks plus 2 large eggs
• 6 tablespoons finely grated lime zest, plus more for garnish, plus 2 cups fresh lime juice (about 12 limes)
• 1 cup (2 sticks) unsalted butter, cut into 1/2-inch pieces
• 1 3/4 cups mascarpone cheese