Can I eat In N Out burgers? My shia friends eat it and when asked, they say that Allah says in Quran that you can eat from the people of the book” and this is a wholesome christian establishment. Therefore it’s halal. March 14, 2020 by Hasan mahdi I don’t have any information about the meat which they provide is halal or not. You must have authentic certification of halal. Sayed Abul Qasim Rizvi food