Poor Man’s Soup can feed many, is nutritious, and of course very cheap to make. Still a good soup, that is quick to make. Recipe for at least four people.
Mushroom soup is a relatively easy soup to make with a lot of umami flavour. It is time that develops the depth, and this is a soup with a lot of mushrooms
Garlic soup is so easy to make, and with so few ingredients, that it can hardly be called a recipe. It is a very healthy soup, with few calories.