Check out these tips to lower cholesterol with lifestyle changes: 1  Reduce all fats in your diet. Pay particular attention to saturated fats.  Try to exercise 30 minutes a day. Go for a walk around the block after lunch or dinner, spend time in the garden, or ride bikes with the kids.
Dry the onion skins. After the onions are harvested, spread them out in a ventilated area so that the skins can harden. Do not remove the leaves. Allow the onions to cure for two to four weeks. Dry the onions in an area away from sunlight and humidity. Sunlight can taint the taste of the onions and make them bitter.
Maximum length of storage of sweet onions will run from 2 to 3 months. Allow your onions to fully mature in the garden before harvesting. Maturity is indicated by the fall of the top of the onion plant. After the tops have fallen, pull and dry the onions in the garden for several days.