Cut onion, carrot, celery, and cabbage into bite-sized pieces.
Mince the garlic.
Heat olive oil in a pot and sauté the garlic.
Add onion, carrot, celery, and cabbage. Sauté over medium heat.
Add canned tomatoes and mix well.
Pour in water and concentrated chicken stock. Bring to a boil.
Season with salt and pepper.
Simmer over low heat for 20 minutes.