Bumbleberry Pie

Ingredients

• 3 cups all-purpose flour
• 1 teaspoon kosher salt
• 1 tablespoon sugar
• 12 tablespoons (1½ sticks) unsalted butter, very cold, cut into small pieces
• ⅓ cup very cold vegetable shortening
• 6 to 8 tablespoons (about ½ cup) ice water
• 2 cups pitted fresh cherries
• 2 cups fresh blueberries
• 2 cups fresh raspberries or blackberries
• 2 teaspoons fresh lemon juice
• 1 cup sugar
• ⅓ cup all-purpose flour
• 1 tablespoon tapioca
• 1 egg
• 1 tablespoon cream or half and half