Cut cabbage, onion, tomato, carrot, and bell pepper into bite-sized pieces.
Drizzle olive oil into a pot and sauté the onions.
Add cabbage, carrots, and bell peppers, and stir-fry together.
Add tomatoes and water, then bring to a boil.
Season with bay leaves, salt, and pepper.
Simmer over medium-low heat until the vegetables are cooked through.
Remove the bay leaves and finish.