Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
1 1/2     ounces        gin 
3 or 4    dashes        Angostura bitters

Preparation:

Shake with cracked ice. Strain into chilled cocktail glass. Another way to make this is to swirl a splash of bitters in a chilled cocktail glass. Shake, or flick, the bitters out and pour the gin into the glass. You can also add water to taste or serve on the rocks.