Skillet Mac and Cheese with Cauliflower - Ellie Krieger

Ingredients

• 2 cups 1-inch wide cauliflower florets
• 2 tablespoons Panko breadcrumbs (whole wheat or regular) OR 2 tablespoons Light-and-Crisp Whole-Wheat Bread Crumbs
• 2 tablespoons freshly grated Parmesan cheese *
• 2 teaspoons olive oil, plus more for brushing the skillet
• 3 cups cold low-fat (1%) milk
• 3 tablespoons all-purpose flour
• 1 1/2 cups shredded extra-sharp cheddar cheese (5 ounces) *
• ¼ cup shredded Gruyère cheese (1 ounce) *
• 1 teaspoons mustard powder
• 1/2 teaspoon paprika
• 3/4 teaspoon kosher salt
• ½ teaspoon freshly ground black pepper
• 1/8 teaspoon cayenne pepper
• 6 ounces (1 ½ cups) whole-grain or regular elbow macaroni, cooked for 3 minutes less than the package directions (about 3 cups cooked)