Shake blended whiskey, juice of lemon, and powdered sugar with ice and strain into a whiskey sour glass. Decorate with the half-slice of lemon, top with the cherry, and serve.
More info on how to make a Whiskey Sour
Whisky Sour: Whisky sour is traditionally a mixed drink with whisky(Bourbon) as a base. The other ingredients commonly used are lemon juice, sugar and white of egg. All the ingredients are shaken with ice nicely before it is served in a cobbler. Kamikaze, Margarita, Daiquiri, Sidecar are some of the famous sours known worldwide.