Rum Sour is bitter quite strong cocktail at 1.4 standard drinks. Shaken with 45ml rum spiced sailor jerry and 30ml lemon juice with 15ml sugar syrup as well as 100ml ice and best with an entree or small snack. Just place a little ice into shaker then add all ingredients to shaker and shake until mixed. Pour all into glass and top glass with ice and garnish with half orange and cherry and served in a old fashioned glass cold.