Cut the chicken tenders into bite-sized pieces.
Cut the onion, carrot, celery, and broccoli into easy-to-eat sizes.
Heat olive oil in a pot and sauté the chicken tenders.
When the chicken is cooked, add the prepared vegetables and stir-fry together.
Add tomato puree and water, then bring to a boil.
Season with salt and pepper to taste.
Boil until the vegetables and chicken tenders are tender.