Let's take a deep dive into the secrets of this bargain bird. Costco’s rotisserie can be eaten plain, sliced for sandwiches, shredded for tacos, turned into soup or chili, or used for any of dozens of other recipes. Here are some facts you should know about this beloved product. The next time you shop at Costco, get a little nosy and peer into other shoppers’ carts. The one item you’re likely to see in almost everyone’s basket is the astonishingly cheap, yet plump and juicy, rotisserie chicken.