In a small bowl, combine the first five ingredients. In a large bowl, toss apples with lemon juice. Add sugar mixture; toss to coat., Unroll one pastry sheet into a 9-in. pie plate; trim even with rim. Add filling. Dot with butter; drizzle with 2 tablespoons maple syrup. Unroll remaining pastry; place over filling. Trim, seal and flute edge. Cut slits in top. Brush pastry with 1 tablespoon maple syrup., Bake at 425° for 40-45 minutes or until crust is golden brown and filling is bubbly. Cover pie loosely with foil during the last 20 minutes if needed to prevent overbrowning. Remove foil. Cool on a wire rack. If desired, serve with warm maple syrup.