Since shot size isn't mandated in the U.S., the question is more complicated than you think. So, we spoke to an expert who knows a thing or two about making drinks. In fact, to help you ace your ...

It’s a simple drink (a shot of whiskey, usually Yukon Jack) with an unusual accompaniment: a mummified human toe. How did the Sourtoe cocktail come to be? It all started during prohibition ...