"This is one of Ça Va's most popular drinks. I use Jameson, honey and yellow chartreuse, a botanical liqueur that's more mellow than its green cousin. It's easy to drink, so that's dangerous," says Caitlin Corcoran of Kansas City's Ça Va bar.
In a saucepan, heat equal parts honey and water over medium heat, stirring until honey dissolves. Let cool.