Preheat oven to 425°. In a small bowl, mix graham cracker crumbs and sugar; stir in butter. Press onto bottom and up sides of a 2 greased 9-in. metal pie plates. Bake until lightly browned, 5-7 minutes. Cool on a wire rack.
In a large bowl, beat filling ingredients until blended. Divide evenly between crusts. Bake on a middle oven rack 15 minutes. Reduce oven setting to 350°. Bake until center is set, 25-30 minutes longer. Cool completely on a wire rack. Store in the refrigerator.Toaster oven option: Preheat toaster oven to 425°. Prepare crusts as directed. Bake until lightly browned, 5-7 minutes. Cool on a wire rack. Combine filling ingredients; pour into crusts. Bake until center is set, 25-30 minutes.