Cut cabbage, onion, carrot, bell pepper, tomato, and celery into bite-sized pieces.
Heat olive oil in a pot, add onion and celery, and sauté.
Add carrot, bell pepper, and cabbage, and stir-fry together.
Add tomatoes and sauté, mashing them slightly.
Pour in water and vegetable broth and bring to a boil.
Season with salt, pepper, and herbs, then simmer on low heat for 20-30 minutes.