A McDonald's Filet-o-Fish stacked atop its blue box - Robson90/Shutterstock The Filet-O-Fish was the first addition to the ...

The first McDonald's Filet-O-Fish was created by a Cincinnati franchisee to serve Catholic customers during Lent.

A gross surprise may lurk in your Filet-O-Fish sandwich. But it's normal, and a good sign it's a healthy fish. Here's what to ...

Fish: wild, Alaskan-caught pollock, tartar sauce, and half a slice of cheese, but you may get something else, too.

Today, the McDonald's Filet-O-Fish is a beloved part of the menu, but it's undergone major changes, including a switch away ...

Despite the Filet-O-Fish being a popular item at McDonald's, it's not a favorite of the company itself. Reportedly, the founder never wanted fish on the menu.

'You learn something new every day,' said one person.

The Filet-O-Fish faced a little competition before it became McDonald's official meatless mainstay. The Hula Burger gets new life in Cincinnati.