The right hour for a whisky sour. #KeepWalking Whisky Sour: 50 ml Johnnie Walker Black Label 20 ml Lemon juice 10 ml Almond syrup Garnish with toasted marshmallow Method: Measure ingredients into shaking tin Add cubed ice Shake and strain into an ice-filled rocks glass Sear a skewered marshmallow and place on top of the drink Each serve contains 15.8 grams of alcohol.