The Manhattan is one of the most popular cocktails in the world, and there are many variations on the recipe. But the traditional Manhattan cocktail is always made with whiskey, sweet vermouth, and bitters.

The whiskey can be any type of bourbon, rye, or Scotch whisky. The sweet vermouth is a wine-based liquor that is flavored with various botanical herbs and spices. And the bitters are a concentrated herbal extract that is used to flavor cocktails.

The Manhattan is usually …