Mix together sugar, flour salt, nutmeg and cinnamon. Add apples and mix well. Turn into a pastry lined pie pan. Dot apples with margarine. Cover with a top layer crust which 1" slits cut in it. Seal and flute edges. Cover crust edges with foil to prevent excessive browning. Place in preheated Holland Grill for 45-50 minutes or until golden brown. Remove foil the last 10 minutes of grilling.