For the vegetable stew, finely chop the onion and garlic. Cut potatoes and vegetables into cubes. Heat oil in a pot and let the onion become transparent.
Add the vegetables and potatoes and fry a little. Add the garlic and fry briefly. Dust with flour and fry briefly.
Add 1/2 l soup and simmer until the vegetables and potatoes are soft. Season the vegetable stew with salt and pepper.