Cut the onion, carrot, cabbage, celery, and tomato into bite-sized pieces.
Heat olive oil in a pot, then sauté the onion, carrot, and celery.
Add the cabbage and tomato, and stir-fry together.
Pour in water and add herbs (such as thyme, rosemary, etc.), then bring to a boil.
Season with salt and pepper, then simmer on low heat for 20 minutes.