Cut the cauliflower into small pieces.
Cut the chicken breast into bite-sized pieces and season with salt and pepper.
Heat olive oil in a pan and cook the chicken breast over medium heat.
Push the cooked chicken breast to one side of the pan, add cauliflower, and sauté together.
Evenly sprinkle mozzarella cheese over the top, cover with a lid, and cook until the cheese is melted.
Transfer to a plate, sprinkle parsley powder on top, and it's ready to serve.