The Kangaroo cocktail was published in the Vanity Fair Cocktail Guide in the 1930s and is sometimes simply called the Vodka Martini
Vodka Martini aka...
Martini
2 oz Gin1 oz Dry Vermouth4 dashes Orange BittersGarnishOrange Twist
Stir in a mixing glass.Strain in a coupe.Garnish with Orange TwistEnjoy!
dry vermouth, Gin, martini, orange...