"Create an elevated lasagna recipe with rich, beefy flavor, including well-browned ground beef, beef broth, Worcestershire sauce, tomato paste, garlic, onion, and fresh herbs. Use layers of creamy béchamel sauce and a blend of mozzarella, ricotta, and Parmesan cheeses for depth. Include instructions for simmering the sauce to concentrate flavors and tips for assembling and baking the lasagna."