Duplex Cocktail

Fill large Bar glass with Shaved Ice.

⅓ Jigger Old Tom Gin.
1 pony Italian Vermouth.
1 pony French Vermouth.
3 dashes Acid Phosphate.
4 dashes Orange Bitters.

Shake; strain into Cocktail glass and serve.

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One Response to “Duplex Cocktail”

  1. c says:

    Acid Phosphate is no longer available. CocktailDB suggests substituting lemon juice.