Ingredients 1 refrigerated pie crust 1 tablespoon all-purpose flour, divided 3 or 4 red pears, cored and thinly sliced 1 tablespoon lemon juice ¼ cup light brown sugar 1 tablespoon cornstarch ¼ teaspoon ground ginger 1 pinch salt 2 tablespoons unsalted butter, cut into small pieces 1 larg…