Method
- Pour lemon juice, sugar syrup, and elderflower liqueur into the copper mug.
- Add whisky and Angostura bitters.
- Top with ginger beer and stir gently.
- Garnish with orange zest.
About the Glasgow Mule
The Glasgow Mule is a sour cocktail with whisky base, featuring floral elderflower and spicy ginger beer notes. It's served in a copper mug.