1.   Cook in frying pan with onion until onion has partially cooked.

2.   Onions have different amounts of natural sugar at different times of the year, so the amount of sugar may need to be adjusted to taste.

3.   Potatoes have more starch and sugar, while onions have some medicinal value.

4.   The onions have to be cooked slowly so that they become golden brown and turn sweet.

5.   The onions would have to be destroyed or used only in processed foods.