Sonic already has a pretty extensive lineup, but you'll be surprised to learn how many more drinks, burgers, and sides you can order off of its unofficial menu.

In-N-Out has officially opened in Washington, offering a "secret menu" beyond its standard options of Double-Double, cheeseburger, hamburger and fries. Secret menu items include Animal-Style fries and ...

Five Guys keeps it straightforward—fresh burgers, crispy fries, and no-nonsense service. But if you know what to ask for, there’s a whole other layer to the menu. Over time, creative staff and ...

In-N-Out is opening three locations in Middle Tennessee this week. The chain is known for its "not-so-secret menu" which includes popular customizations and upgrades. "Animal Style" is a popular ...

Add Yahoo as a preferred source to see more of our stories on Google. huge iconic hat-shaped sign reading Arby's Roast Beef Sandwich Is Delicious - Ken Wolter / Shutterstock The Arby's menu is loaded ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. I have long-held the belief that the ...

Iconic Chicago and suburban restaurant chain Portillo's just released its "secret" menu with two new items, but there's a catch -- and finding the mysterious menu is more hidden than customers may ...

huge iconic hat-shaped sign reading Arby's Roast Beef Sandwich Is Delicious - Ken Wolter / Shutterstock The Arby's menu is loaded with options, so it lends itself to secret menu items and hacks. Meats ...