Step 1.
- Fill a cocktail shaker with ice.
Step 2.
- Add the vodka, fresh lemon juice, simple syrup, heavy cream, and egg white to the shaker.
Step 3.
- Shake vigorously for about 15 seconds to emulsify the egg white and cream.
Step 4.
- Add a splash of soda to the shaker and gently stir.
Step 5.
- Strain the mixture into a chilled highball glass filled with ice.
Step 6.
- Top with soda water to fill the glass.
Step 7.
- Garnish with a twist of lemon peel.