Vatican Museums lunch question

I just looked at the official Vatican website ticket purchase and there was no option that included lunch. It sounds like you are looking at some other site. There's a cafeteria and a few vending machines. I've brought sandwiches and eaten them in outdoor areas. I seem to remember an outdoor cafe in the large courtyard as well. Caveat - it's been a few years since I last visited.

Thanks, after your choose the date and time for the tickets, scrolling down further on the same ticketing page they mention a lunch option with a date and time to choose. I assume that this is the restaurant, not the cafeteria.

If I remember correctly, there is really only a cafeteria, not a restaurant with table service. If I missed something about an actual full-service restaurant in our previous visits, I am interested to find out about it.

We found the "cafeteria" to be entirely satisfactory, and well located for a return to the art galleries after a break. There's also a bit of sun and fresh air available. It is unrealistic to imagine exiting the Museums for a two-hour slow-food meal of hand-crafted Italian delicacies. (Even if re-entry were allowed, which is inconceivable, you'd have an hour in the security line again ... )

Yes, there are multiple options for food within the museums including a restaurant with table service (Bistrot La Pigna.) Here's the page you want:

https://www.museivaticani.va/content/museivaticani/en/organizza-visita/servizi-per-i-visitatori/ristorazione.html

I don't know which of the options a lunch reservation applies to - I'm guessing it's Bistrot La Pigna - and haven't lunched in the museum myself so are unfortunately of no help weighing in on the 'worthwhile' question. As Tim mentioned, your entry ticket doesn't allow you to leave the museums for lunch and then come back - you'd need a new ticket - but figure you probably already knew that. :O)

Thanks, everybody, for all the advice!