It's so hot that what you want is fresh food. This recipe from cold soup It is very simple and cheap, you only need a lettuce and milk, although you can substitute half of the milk for poultry stock. You can even freeze it if you make a lot of it. To serve it, how about some bread croutons, some minced ham?
Cold lettuce soup
Have you tried a cold lettuce soup? You will be surprised how easy it is to prepare and how good it is.
Image: dayliciousbites