Lasagna is a popular Italian dish made by layering sheets of pasta with various fillings. The traditional recipe includes ingredients like ricotta cheese, mozzarella cheese, ground meat, and tomato sauce. It is baked in the oven until the cheese is melted and bubbly, creating a delicious, hearty meal. This dish can be customized with different ingredients, such as vegetables or different types of meat, making it versatile. Lasagna is often served as a main course and is enjoyed by many around the world, frequently appearing at family gatherings and celebrations.