Rosie Schaap: What Are You Drinking?

Everyone has a go-to drink, but only the real heavy-hitters get theirs named after them. (Would Tom Collins have thirsted for his eponymous drink, had he existed?) V.I.P. and bartender Rosie Schaap knows a thing or two about a good cocktail--having clocked over 13,000 hours in bars--so we test her mixological know-how against one of her regulars.