1 (1.5 fluid ounce) jigger chocolate liqueur
1 (1.5 fluid ounce) jigger creme de cacao
1 tablespoon vodka
2 1/2 fluid ounces non-dairy vanilla-flavored creamer
2 teaspoons chocolate syrup
Pour the chocolate liqueur, creme de cacao, vodka, and creamer into a cocktail shaker over ice. Cover, and shake until the outside of the shaker has frosted. Dip the rim of a chilled martini glass in chocolate syrup. Strain the cocktail into the glass to serve.