Cut the chicken breast into bite-sized pieces.
Chop the onion, carrot, celery, and cabbage into easy-to-eat pieces.
Heat olive oil in a pot and stir-fry the chicken breast.
When the chicken breast turns white, add all the prepared vegetables and stir-fry together.
Add tomatoes and water, then bring to a boil.
Season with salt and pepper, then simmer on low heat for 20 minutes.