All of its 35 stores in New Zealand had sold out of kumara chips, some for up to four weeks.
I have never understood people's enthusiasm for kumara chips.
The two large, oven roasted shanks, served on a pumpkin and rosemary mash, and finished with a cherry and mint jus, came with kumara chips and were both tender and mouth-wateringly good.
They offer chips, kumara chips, two varieties of wedges, onion and squid rings, and fish battered or crumbed.
The mostly imported goodies include New Zealand apples, kumara chips, and hideously expensive bottles of Shingle Peak and Villa Maria.
It's an excellent way to discover more about the place, and the tour ends with a feed of delectable kumara chips at a local chip shop.
We soak up the rustic and homely ambience while enjoying welcome snacks of kumara chips, toasted brazil nuts, blue cheese on crackers and Central Otago dried apricots.
They would invite you in to their home for smoked kahawai and kumara chips.
Try the lamb shanks with kumara chips.
It recently had signs up in its stores apologising to customers that kumara chips were temporarily off the menu.