Cut the chicken breast and vegetables into bite-sized pieces.
Heat olive oil in a pot and sauté the onion and garlic.
Add the chicken breast and cook until the outside is done.
Add vegetables like carrots, cabbage, and bell peppers and stir-fry briefly.
Add tomatoes and water, then bring to a boil.
Season with salt, pepper, etc., and simmer on low heat for 20 minutes.
Serve the finished soup in a bowl.