A Black Velvet Cocktail is a drink made with equal parts Guinness Stout and Brut Champagne. It is sometimes also made with equal parts stout and prosecco. The drink is poured into a Champagne flute and served cold.

The Black Velvet was created in 1861 by accident at the London club, White’s. It is said that the club’s bartender, Charles Humphreys, was serving a drink made with Guinness and Champagne when he ran out of Champagne. He substituted the Stout …