According to Jared Ammon, concocting creative, balanced cocktails is both an art and a science. The craft bar manager at The Ostrich, a speakeasy-style bar in the basement of the historical San Marcos Hotel in downtown Chandler, knows that a good cocktail is about much more than throwing together ingredients and pouring them in a glass. “You kind of have to be creative to do this,” he says. “But it’s also very technical.” Ammon and...