Source: Modern American Drinks
3 dash absinthe
Ingredient: absintheWhat it is: Spirit
An anise-flavored spirit derived from herbs, including the flowers and leaves of the herb Artemisia absinthium (wormwood). Absinthe traditionally has a natural green color but can also be colorless. Although absinthe was vilified, no evidence has shown it to be any more dangerous than ordinary spirits.
3 dash pepsin bitters
1 jigger French vermouth
A mixing-glass half-full fine ice; add three dashes absinthe, three dashes pepsin bitters, one jigger French vermouth. Shake well, strain, and serve.