Mezcal Union unapologetically calls itself a gateway Mezcal. Its balance from smoke to sweet to minerality is perfect, and that structure makes it ideal for the classic of all classic Mexican cocktails. If you’ve never had a Mezcal marg before, make sure you start with this one... 60 ml Mezcal Union Uno30 ml lime juice12.5 ml Agave Nectar Combine all ingredients in a cocktail tin with ice and shake. Pour all contents into a rocks glass rimmed with worm salt.