Cut cabbage, onion, carrot, tomato, and bell pepper into bite-sized pieces.
Add a little olive oil to a pot and sauté the onions.
Add all the other vegetables and stir-fry thoroughly.
Pour in 300ml of water and add minced garlic, then bring to a boil.
Season with bay leaf, salt, and pepper.
Simmer for 20 minutes over medium heat until vegetables are tender.
Remove the bay leaf and the soup is ready.