Lobster Macaroni and Cheese

INGREDIENTS

• 2 cups shredded sharp white Cheddar
• 1/4 cup panko bread crumbs
• 4 tablespoons butter, plus 1 tablespoon for greasing dish
• Kosher salt
• 5 tablespoons all-purpose flour
• 2 small shallots, finely chopped
• 2 cups shredded Gruyere
• 1/2 teaspoon sweet paprika
• 1 pound penne pasta
• 2 cloves garlic, chopped
• 4 cups heavy cream
• 1 bay leaf
• Freshly ground black pepper
• 2 tablespoons tomato paste
• 1/4 cup freshly chopped parsley leaves
• 1/4 cup white wine
• 1/4 teaspoon cayenne pepper
• 2 (8-ounce) raw lobster tails, defrosted if frozen, meat removed from shell, chopped