Boil your elbow pasta and steam your cauliflower florets until soft. Drain.

Placed cooked cauliflower into a blender and blend until smooth

Make a roux with flour and oil in a saucepan over medium heat

Add milk and stir until the mixture thickens

Mix in the cheese and cream cheese, salt, and pepper along with the blended cauliflower

Add the cooked pasta and stir to coat.