Set a pot of water, with two tablespoons of salt, to boil
Once it comes to a rolling boil, add the pasta and cook until 75% done. Drain under cold water and set aside
In a pan, add olive oil and saute the garlic until fragrant
Add the broccoli florets, mushrooms and salt and saute for couple minutes
Add the cherry tomatoes and the chicken and cook for a minute
Now add the arrabbiata sauce and give everything a good mix
Add the boiled penne pasta and give a good stir. Let this cook for a couple minutes
Now add the shredded mozzarella into this and mix well
Finally sprinkle some red chilli flakes and dried oregano and mix evenly
Serve hot with fresh basil leaves on top and garlic bread on the side