It's made with lemonade, cointreau, vermouth and a splash of kirsch.

[1][2] The original recipe is intended for a 6 person batch.

Another version of the drink is made with gin, vermouth and chartreuse, garnished with orange peel.

[3] The name has come to be used for unrelated cocktails such as one made with pisco, passion fruit purée and orange juice.

[4] Another version, described as "one of the holy grails of contemporary bartending", replaced the pisco with tequila.