Here's several secret fast food menu items you might not know about. From McDonald's to Sonic and Taco Bell, we've got you covered!

Not all of them are used in fast-food ads—fake ice cream, for instance, probably wouldn't appear in menu photos. The restaurants wouldn't talk to us about their food styling, but McDonald's ...

Fast-food restaurants are always innovating (and competing), and that means there's always some new menu item to try. McDonald's, Starbucks, Chick-fil-A, Taco Bell, Subway, and other big chains ...

Fast-food giant Yum! Brands said it will begin rolling out AI at hundreds of its locations starting in April. How has AI worked at other fast-food chains?