Boil gently, stirring occasionally until syrup is dark and thick, 20 to 40 minutes. Pour syrup into a clean jar. Cover and store in the refrigerator. If you are looking for a simple apple syrup ...

Now put the water in which the apples were boiled on the flame again. Add sugar to it and cook. When it thickens a little, turn off the flame. To check the syrup, put it between your fingers.