Turkiz serves horse regularly but didn't mention it in the dish description; waiter tells the couple what the menu didn't.
apparently the restaurant has horse meat on its menu, but left it out of the description of at least one dish.
(Many Israelis may share the American repugnance for eating horse, but an additional complication there is that horses don't have split hooves nor chew their cud and so are not kosher. Apparently the sale of horse meat for human consumption is legal there, unlike here in California...)
HT: Ran Shorrer