Roll out pastry as for pie and cut into 7-inch squares. Peel and core apples, but leave whole. Place an apple on each square of dough and fill cavity with sugar, cinnamon, and 1 teaspoon butter. Bring opposite points of dough up to overlap apple. Moisten to seal. Place dumplings in a baking dish. Heat syrup to boiling. Pour hot syrup around dumplings and bake at 400 degrees for 40-45 minutes or until apples are done.