How many lbs of lasagna to feed 20 people?

To feed 20 people, you typically need about 0.5 to 0.75 pounds of lasagna per person, depending on appetite and whether it’s served with sides. This means you would need approximately 10 to 15 pounds of lasagna in total. Adjustments can be made based on the specific context, such as whether it's the main dish or part of a larger meal.