There’s no need to be a mixologist to make whiskey cocktails. In fact, many of the most popular whiskey cocktails are quite simple. 

The Old Fashioned is a classic whiskey cocktail that is easy to make. In a shaker, combine 2 ounces of whiskey, 1 teaspoon of sugar, and 1 dash of bitters. Stir until the sugar is dissolved, then strain into a rocks glass filled with ice. 

The Manhattan is another classic whiskey cocktail. In a shaker, combine 2 …