title: Dutch Sour
garnish: Orange zest twist
recipe: SHAKE all ingredients with ice and strain back into shaker. DRY SHAKE (without ice) and strain into ice-filled glass.
ingredients: [['6 cl', 'Ketel One Vodka'], ['1.5 cl', 'Orange Curaçao liqueur'], ['2.25 cl', 'Lemon juice (freshly squeezed)'], ['0.75 cl', 'Sugar syrup (65.0°brix, 2 sugar to 1 water rich syrup)'], ['1 dash', "Bob's Grapefruit Bitters"], ['1 dash', 'Orange Bitters by Angostura'], ['1⁄2 fresh', 'Pasteurised egg white']]