Coarsely divide white cabbage leaves. Peel and chop onion. Quarter peppers, remove seeds, wash and cut into pieces. Heat oil in a pot. Sauté the vegetables in it. Add 500 ml water, bring to the boil.
Add 2/3 of the onion soup powder and cook the soup for 10-12 minutes. Cut the chili into rings, remove the seeds and add to the soup. Leave to stand briefly, arrange and sprinkle with coriander leaves.