Costco is replacing its old paper-slip cake ordering system with an app, and customers and bakery workers have opinions.

Costco isn’t known for being tech-forward. In fact, the company’s seeming aversion to technology has been kind of a hallmark, leading to a website and app that’s light years behind competitors like ...

There are few Costco bakery items with as much mythology as the “All-American Chocolate Cake.” For years, the towering, seven-pound dessert was a fan obsession. Four layers of rich chocolate sponge, ...