The Whiskey Sour is one of the oldest known cocktails. The Boston Sour is actually nothing more or less than the well-known Whiskey Sour with protein in it. But it is precisely that protein that makes it perfectly creamy and foamy. Cheers!
Ingredients
- 2 oz (60 ml) bourbon whiskey
- 1 oz (30 ml) fresh lemon juice
- 3/4 oz (22,5 ml) pure maple syrup (or simple syrup)
- 1 oz (30 ml) egg white
- Ice
Equipment
- Coupe
- Airtender Hand Air Pump or Airtender Electric with Aerator
Method with Airtender Electric
Watch video instructions here
- Attach the Aerator to the Airtender hose
- Combine the ice cubes and all other ingredients in a glass
- Select A mode, setting 3 and activate to start the airflow
- First, keep the control valve hole open to stir for 5 seconds without air
- Cover the control valve on top and stir with air, until foam reaches the rim
- Cover the control valve on top and stir only the foam with air for 5 seconds
Method with Air Hand Pump
Watch video instructions here
- Attach the Aerator to the Airtender Hand Air Pump
- Combine the ice cubes and all other ingredients in a glass
- First, stir the ingredients with the pump and Aerator, without pumping
- Move the aerator to the center of the glass
- Pump until the foam reaches the rim
- Stir the foam with the pump and Aerator
- Pump again until the foam reaches the rim
- Repeat steps 6 and 7 if necessary
