Prep time 5 minutes
Yield: Serves or Makes 1
Muddle berries, lemon juice, and simple syrup in a cocktail shaker. Add crushed ice and shake 1 minute to chill. Strain into glass, discard ice/pulp, then return juice to shaker. Add gin and egg white; dry shake for 1 minute.
Strain into coupe glass, garnishing with edible flowers if desired.