Cut onions, carrots, celery, and cabbage into bite-sized pieces.
Heat olive oil in a pot and sauté the onions.
Add carrots, celery, and cabbage to the pot and stir-fry together.
Add minced garlic and sauté until fragrant.
Pour in tomatoes and water, then bring to a boil.
Season with bay leaf, salt, and pepper.
Simmer over medium-low heat until the vegetables are tender.
Remove the bay leaf and finish.