Costco's in-store Kirkland brand has no shortage ... It's perfect for lighter recipes — like this albacore tuna salad with green beans — since it has a milder flavor than other tuna varieties ...

But not all of its offerings are praiseworthy. There are some of Costco's prepared foods to avoid, such as its Tortellini Pasta Salad. What should be a vibrant medley of tortellini, salami ...