Lobster Mac and Cheese

INGREDIENTS

• 1 (16 ounce) package elbow macaroni
• 1 (2 pound) lobster, split
• 2 tablespoons butter
• 1 small onion, diced
• 1 clove garlic, minced
• 1 shallot, chopped
• 10 black peppercorns
• 2 cups milk
• 5 tablespoons butter
• 5 tablespoons all-purpose flour
• 1 pound shredded Gruyere cheese
• 3 cups shredded Cheddar cheese
• 1 cup grated Romano cheese
• kosher salt and pepper to taste
• 3 tablespoons panko bread crumbs