Roasted Cheesy Cauliflower

Name: Roasted Cheesy Cauliflower
Cook time: 2100 s
Total time: 2100 s
Yield: 3
Ingredients: 1 head cauliflower, cubed; 1 cup sharp cheddar, shredded; 1 cup gouda, shredded; 1 tbsp butter; 1/2 cup heavy cream; 1/4 cup creme fraiche; 1/2 tsp onion powder; 1/2 tsp garlic powder; 1/2 tsp Dijon mustard; Salt and pepper to taste; Paprika; Chives, chopped