This is an amazing riff on a Manhattan. Start by swapping our Rye with Irish Whiskey. That will remove the traditional spice of a Manhattan, but don't worry, we're not done! Next add a rouge sweet vermouth (if you only have the sweeter coochi di torino, cut back just a touch), and finish off with a little Green Chartreuese. This is a rare cocktail featuring green chartreuse that isn't dominated by the herbal liqueur. So give this classic cocktail a try! Cheers!