By Sri Owen
This is an excellent soup, especially if the spinach is fresh and young. It can be made with either corn on the cob or sweet potatoes. You will need:
Wash the spinach and chop it coarsely. Cut each corncob into three pieces; or peel and cut the sweet potatoes into small cubes.
Slice the shallots and chilli finely and put them into a saucepan with