Gluten-Free Cauliflower Mac and Cheese

Name: Gluten-Free Cauliflower Mac and Cheese
Cuisine: American
Ingredients: 8 ounces sharp cheddar cheese, grated; 8 ounces Monterey Jack cheese, grated; 1 large head cauliflower; 4 tablespoons unsalted butter, divided; 1 1/2 cups whole milk; 1/2 cup heavy cream; Kosher salt and freshly ground black pepper; 1 teaspoon garlic powder; 1 teaspoon onion powder; 1 teaspoon paprika