
From liquor.com·View original →
Add a small amount of chocolate liqueur into a small rimmed plate. Add a small amount of cocoa powder to another plate. Dip the rim of an inverted cocktail glass into the liqueur, then into the cocoa powder. Set aside.
Add the chocolate liqueur, creme de cacao, vodka and half-and-half into a shaker with ice and shake until well chilled.
Strain into the prepared glass.