Prepare the roux by adding the butter, flour, garlic and onion to a saucepan and mixing on low heat until thick.
2. Step
Gradually add the cream to the roux and stir until it is a thick consistency.
3. Step
Add the cheeses and salt to your liking.
4. Step
Continue to mix the sauce until the cheese is melted and smooth.
5. Step
Add the cheese sauce to your broccoli and pasta and mix until everything is coated in the sauce. (Leftover sauce can be kept in a jar in the refrigerator for 1 week)
