When one says best dirty martini recipe, they are referring to a specific style of martini made with gin, dry vermouth, and olive brine, garnished with an olive.
This cocktail is a classic for a reason. It is simple to make, yet sophisticated and flavorful. The secret to a great dirty martini is in the quality of the ingredients. Use a good gin and a dry vermouth that is not too sweet. A good rule of thumb is to use one part vermouth to three parts gin. And dont be stingy with the olive brine it adds a delicious salty flavor to the drink.