If you're an In-N-Out milkshake aficionado, you've probably wished you could buy a bigger cup of this sweet, creamy treat. Well, thanks to the people of TikTok, there's a devilishly sweet way to ...

Milkshakes have been around since at least the late 19th century — there was mention of an “an Atlanta drink” called “milk shake,” in the Atlanta Constitution in 1886. That prototype milkshake ...