21st Century is lovely and tart heavy cocktail at 2.4 standard drinks. Shaken with 45ml tequila blanco espolon and 30ml chocolate liqueur with 10ml absinthe la clandestine as well as 15ml lemon juice including 100ml ice and best with an entree or small snack. Just place ice into shaker then add all ingredients to shaker and quick shake to mix. Strain into cold glass and served in a saucer glass cold.