Like water for chocolate

This is a 'mashup' of a Oaxaca Old Fashioned and a Black Russian.
Ingredients
- 1.5 ounces (45ml) blanco tequila
- .5 ounces (15ml) mezcal
- .25 ounces (7.5ml) Kahlua
- 1 dash coffee bitters
Directions
1. Combine all ingredients in a mixing pitcher with ice and stir for 2-30 seconds.
2. Strain over a large ice cube in a rocks glass and garnish with an orange zest.