Costco is famous for its unique food court items, but it has a much more extensive prepared foods selection that's worthy of your shopping list. We have already done a deep dive into the best and worst prepared meals Costco had. We also left the worst meals aside and decided to focus on the best of the best in a tasting of 11 Costco prepared foods. And based on our tasting of Costco's rotisserie chicken noodle soup, it's definitely the cream of the crop.