What Actually Is Yoo-hoo?

There are some things you never outgrow: chicken nuggets, naps, and the magic of Yoo-hoo. Maybe it’s the iconic yellow label. Maybe it’s the fun-to-say name. Or maybe it’s because Yoo-hoo exists in a category of its own: part drink, part nostalgia, part “what the heck is this, actually?” Because here’s the thing: Yoo-hoo is not chocolate milk. It is a “chocolate drink.” But who made this mysterious chocolate potion, and why does it taste so good despite looking kinda like brown water?