Jamaican is delish very strong cocktail at 2.1 standard drinks. Shaken with 45ml rum dark and 15ml coffee liqueur tia maria with 10ml bitters spiced kenny as well as 30ml lime juice including 100ml ice and good with afternoon tea. Just place ice into shaker then add all ingredients to shaker and shake well. Strain into glass over ice and served in a saucer glass cold.