Cut onion, carrot, celery, and cabbage into bite-sized pieces.
Heat olive oil in a pot and sauté the onion and garlic.
Add carrot, celery, and cabbage, and sauté together.
Pour water over the sautéed vegetables and bring to a boil.
Add canned tomatoes and mix well.
Season with salt, pepper, and other desired spices.
Simmer over low heat until the vegetables are cooked through.