I went to Israel with a group of people who believe in traveling. In terms of food, group tours usually include group meals, which include local delicacies and some China home-cooked meals that travel agencies are afraid of. During the trip, two or three meals are to taste some local specialties. So don't worry too much about eating. Israel mainly has salads and some meat. The Jewish diet tradition, maybe you can't eat it. But it's okay!