Industrial sour
Ingredients
- 1 oz Angostura Aromatic Bitters
- 1⁄2 oz Fernet Branca liqueur
- 1 oz Lime juice
- 1⁄2 oz Sugar syrup 'rich'
- 1⁄2 oz Egg white (pasteurised) or 3 dashes Fee Brothers Fee Foam cocktail foamer
Method
Glassware:
Serve in a Rocks glass

