How much lasagna for 40 people?

To serve lasagna for 40 people, you'll typically need about 10 to 12 pounds of cooked lasagna, which translates to approximately 4 to 5 full-sized pans, depending on portion sizes. Each pan usually serves around 8 to 10 people, so plan accordingly based on your guests' appetites. It's also a good idea to have some extra sides or salads available to complement the meal.