Cut the chicken breast into bite-sized pieces.
Chop the onion, carrot, bell pepper, and broccoli into easy-to-eat pieces.
Add olive oil to a pot and sauté minced garlic.
Add the chicken breast and stir-fry.
Add all the vegetables and stir-fry together.
Add chili powder, pepper, and salt, and mix well.
Pour in 400ml of water and bring to a boil.
Simmer over medium heat until the vegetables are cooked.
Taste and adjust seasoning with salt if needed.