Chop two onions and 1 red chilli. Fry in butter for 10 minutes. Add lots of frozen sweetcorn [I was doing it by eye but the back of the pack will give you a guide], 1/2 pint vegetable stock, dash of milk and seasoning. Cook for a further 10 minutes and then blitz. My lot wolfed it down and bearing in mind that they are confirmed carnivores, this was a very positive reaction.
I did work briefly as a waitress once and when it came to serving soup you might be relieved to hear that I was rather more adept than the lady in the clip below!