The Whiskey Sour is a classic cocktail that combines the richness of whiskey with the tartness of lemon juice and the sweetness of sugar. To make a Whiskey Sour using your Thermomix, simply mix whiskey, lemon juice, and sugar syrup in the Thermomix bowl. Blend until well combined, pour over ice, and garnish with a maraschino cherry and a slice of lemon. This timeless drink is sure to please whiskey lovers.