Midori Sour

• 1.5 oz Midori • 0.5 oz vodka (optional, for strength) • 0.75 oz fresh lemon juice • 0.5 oz 2:1 simple syrup • 1 egg white (optional, for texture) • Shake without ice (if using egg white), then shake with ice • Fine strain into a chilled coupe or serve over ice in a rocks glass • Garnish: cherry or none