Nectarine-Cherry Pie

Serves:

• Dough
• 2 1/4 cups all-purpose flour
• 2 Tbsp sugar
• 1/2 tsp salt
• 1 stick (1/2 cup) cold unsalted butter, cut in bits
• 1/3 cup cold solid vegetable shortening
• 5 Tbsp ice water
• Filling
• 3/4 cup plus 2 Tbsp sugar
• 3 Tbsp cornstarch
• 1/2 tsp ground cinnamon
• 1/4 tsp salt
• 2 1/2 lb ripe nectarines, cut in 1/2-in.-thick wedges
• 1 lb sweet red-, black- or yellow- skinned cherries, pitted
• 1 Tbsp cold unsalted butter, cut in bits
• 2 Tbsp heavy (whipping) cream, half-and-half or milk