In-N-Out Burger, more commonly known just as In-N-Out, is a California staple. It opened in 1948 as a humble drive-thru in Baldwin Park, California, in the San Gabriel Valley, which is east of ...

Add Yahoo as a preferred source to see more of our stories on Google. An In-N-Out burger in a wrapper, with fries in the background - The Image Party/Shutterstock Oftentimes, "secret menu" fast food ...

An In-N-Out burger in a wrapper, with fries in the background - The Image Party/Shutterstock Oftentimes, "secret menu" fast food creations are a secret to employees, too. On social media, foodies ...