Fry the garlic with butter in a saucepan. Then add the chopped chicken, fry it and then remove it from the pot.
Then bring the milk to the boil in the saucepan and add the pasta.
Meanwhile, steam the broccoli florets until they are soft.
When the pasta is soft, add the cheese. Set the temperature to low and stir the pasta. Then add the chicken and broccoli and season with salt and pepper.