Clean and finely chop vegetables such as onions, carrots, and celery.
Add olive oil to a pot and sauté the onions.
Add remaining vegetables such as carrots and celery, and continue to sauté together.
Pour in water or vegetable broth and bring to a boil.
Add tomatoes and cabbage, then simmer again.
Season with salt and pepper.
Simmer over low heat until the vegetables are tender.