cook the box of pasta according to package directions until al dente.
add the broccoli florets to a food processor and pulse until a fine and grainy consistency forms.
add to a pan with the avocado oil and seasonings and saute for 4-5 minutes on medium-high heat.
then, add the milk, nutritional yeast, mustard and bag of cheese. once the mixture comes to a boil, cook another five minutes or until the sauce is thick.