Crispy, Crunchy Sheet Pan Mac And Cheese

Ingredients

• 12 ounces elbow macaroni
• 8 tablespoons unsalted butter
• 1/4 cup unbleached all-purpose flour
• 2 cups whole milk
• 1 teaspoon kosher salt
• Freshly cracked black pepper to taste
• 3 cups lightly packed fresh bread crumbs
• 1/2 cup finely chopped fresh parsley
• 2 cloves garlic
• 1 1/2 cups grated Parmigiano-Reggiano
• 8 ounces fresh mozzarella