A little dark. A little daring. Rich espresso coffee liqueur entwined with ultra smooth Effen Vodka. There's no better way to awaken the moment. A rich and dark Espresso Martini crafted with Effen Vodka and Espresso Coffee Liqueur. On The Rocks Cocktails: premium spirits, all natural ingredients, cane sugar sweetened, preservative-free bottled cocktails. Bar-quality, bar-strength. Simply pour over ice and serve.