Cut cabbage, onion, carrot, bell pepper, celery, and tomato into bite-sized pieces.
Heat olive oil in a pot and sauté onion, carrot, and celery.
Add cabbage, bell pepper, and tomato and stir-fry together.
When the vegetables soften, pour in water and bring to a boil.
Season with bay leaves, salt, and pepper.
Simmer for 20-30 minutes until all ingredients are tender.