Roasted Cauliflower Mac and Cheese

0 Wash and cut cauliflower into small florets.  Place on a sprayed baking sheet.  Generously spray the cauliflower florets then roast for 15 -20 minutes at 450F.  Broil for a few minutes if needed. 
1 In a large sauce pan melt the butter, then add flour and whisk until combined. 
2 Pour in the milk as you whisk over medium high heat. Add in the salt and pepper.  
3 Lower the heat to low then add in the cheese is melted and mixture has thickened. 
4 Gently fold in the roasted cauliflower until they are all coated with the cheese sauce. Enjoy warm