When you think about hot cocoa, you probably picture rich chocolate, creamy milk, maybe a swirl of whipped cream on top, and your mom lovingly pouring you a cup. But there’s one ingredient in every cozy mug that rarely gets the spotlight: clean water.

You know the basics of chocolate: cocoa beans, sugar, milk, maybe some fancy sea salt. But here’s the plot twist nobody talks about: water is the secret ingredient that makes it all possible.