* Peel vegetables as thinly as possible to preserve the minerals and vitamins.
* Soak potatoes and eggplant after cutting, to avoid discoloration.
* If you boil vegetables in water, do not throw the water, keep it to make gravies.
* To avoid browning of apples after cutting, apply a little lemon juice on the cut surface. The apples will stay and look fresh for a longer time.
