Knickerbocker is scrumptious robust cocktail at 1.6 standard drinks. Shaken with 45ml rum humboldt and 15ml orange liqueur with 15ml lime juice as well as 15ml raspberry syrup including 100ml ice and good with afternoon tea. Just place ice into shaker then add all ingredients to shaker and vigorously shake. Strain into glass and served in a saucer glass cold.