Ingredient:

• 1 pound uncooked cavatappi pasta
• 7 tablespoons butter, divided
• 6 tablespoons all-purpose flour
• 4 cups 2% milk
• 2-1/2 cups shredded Gruyere cheese
• 2 cups shredded sharp cheddar cheese
• 1-1/4 teaspoons salt
• 1 teaspoon ground mustard
• 1/2 teaspoon pepper
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon cayenne pepper
• Dash hot pepper sauce
• 1 pound cooked lobster meat, chopped
• 1/2 pound chopped cooked peeled shrimp, chopped
• 1/2 cup panko bread crumbs
• 1/2 cup grated Parmesan cheese
• 2 tablespoons minced fresh parsley