Ingredients:

1 ounce Brandy (cognac) 
1/4 ounce green Chartreuse 
1 ounce lemon juice 
2 drops Angostura bitters 

Preparation:

Shake with cracked ice; strain into chilled cocktail glass. Garnish with a lemon twist. (To serve 10 people, use 10 ounces cognac, 2 1/2 ounces Chartreuse, 5 ounces lemon juice, and 15 drops Angostura biters.)