Chocolate Expresso Martini

1 lemon wedge
2 T. raw sugar
2 T. finely chopped bittersweet chocolate
4 T. expresso, cooled
1 ½ oz. best vodka, chilled
½ oz. crème de cacao
Long lemon twist
1. Wipe the rim of a chilled oversized martini glass with lemon wedge.
2. Pour sugar and chocolate in a saucer and mix well.
3. Dip rim of glass in mixture and roll to thoroughly coat rim.
4. Over a large handful of ice in a cocktail shaker, pour expresso, vodka and crème de cacao.
5. Shake until frothy.
6. Strain into prepared glass.
7. Garnish rim with twist.