Doctor Johnson is scrumptious strong cocktail at 1.4 standard drinks. Shaken with 45ml gin and 10ml pineapple syrup with 10ml passion fruit juice as well as 10ml lemon juice including 10ml grenadine also 15ml egg white together with 100ml ice and best with morning tea snacks. Just place all ingredients into shaker then vigorously shake and add ice to shaker. Shake well again until fluffy and hawthorne strain into glass and served in a saucer glass cold.