Mr. Black's Mexican Old Fashioned was a natural combination of tastes I enjoy. I love coffee and agave drinks. Anything made with Mezcal or Tequila is something I'll try. I'd heard of tequila and coffee cocktails, and I've had Oaxaca Old Fashioneds and loved them. This was a way for me to experiment with some of my favorite flavors, and it worked!
Grab a chilled rocks glass and add a large ice cube
Build your drink in the glass by adding all of the liquid ingredients
Stir with a cocktail spoon until chilled
Twist your sliver of orange peel over the drink and add if desired