2 oz of grey goose vanilla vodka (or vanilla vodka)
1 oz of Kahlua coffee liqueur (or coffee liqueur)
2 oz of chilled guinness stout (or dark beer)
5 oz of chilled coca-cola (or coca-cola vanilla coke)
Pour the vodka and Kahlua coffee liqueur into a mixing glass with a few ice cubes and stir well. Pour that and the Coca-cola into an old-fashioned glass, and stir. Pour Guinness on top from a height to create a creamy head, and serve.