Steaming is done over medium heat. Be careful not to let all the water cook away.
Dense vegetables should be cut into small pieces to cook more quickly.
Almost any vegetable can be steamed, and it's an excellent way to cook them, as it retains their shape, flavour, colour and goodness.
Prepare vegetables in the normal way and spread them in a single layer in the steamer basket, so they cook evenly.
Put the steamer basket over the pan once the water is at a rolling boil.
The ideal height above the water is 2.5cm, but as long as the steamer basket is not actually touching the water, the distance isn't crucial.
Cooking time for steaming vegetables is approximately the same as for boiling.