What You Don't Know About McDonald's Famous Filet-O-Fish

The Filet-O-Fish hasn't been on the McDonald's menu since the very beginning, but it was an early addition. The sandwich — which consists of fish, half-a-slice of American cheese, and tartar sauce, all on a steamed bun — was created by a franchisee who realized that strict Catholics were avoiding his restaurant on Friday. He eventually convinced Ray Kroc to put a fish sandwich on the menu, and history was made. Pretty much every fast food joint has tried their hand at a fish sandwich in the years since, but it's hard to beat the original. Let's take a look at what you didn't know about McDonald's famous Filet-O-Fish.