But the makers recently changed the way they cleaned the equipment, putting chips into bags on a production line that also processes milk chocolate.
Because of that, kosher certifiers yanked the pareve label on May 18.
Home bakers were so upset, they took to Facebook. Some even tried to hawk the remaining bags on eBay.
“There’s no substitute for Trader Joe’s. Why would they do something like this?”
The chips were remembered fondly in the Jewish media.
“We don’t talk about our business practices,” a spokeswoman said.