Preparation In a mixing glass, stir together the rye, mezcal, amaro, simple syrup, and bitters with ice. Strain into a rocks glass over a large ice cube. Twist the orange peel over the top of the drink to express the oils, then use the peel to garnish. Simple syrup: Stir one part sugar into one part boiling water until the sugar dissolves. Remove from the heat and let cool. Decant into a mason jar (or other small container with a lid) and store in the refrigerator tightly covered for up to 10 days. From Nightcap: More than 40 Cocktails to Close Out Any Evening by Kara Newman. Copyright © 2018 by Kara Newman. Excerpted by permission of Chronicle Books. All rights reserved.Buy the full book from Amazon or Bookshop .