Black Star Liner Martini

25ml. Chocolate Liqueur
25ml. Freshly made espresso
25ml. Patron XO Cafe ( Mexican coffee-flavoured tequila)
1 tea spoon sugar syrup
Garnish: espresso beans and chocolate shavings
Shake all the ingredients, strain into a martini glass. Add a few whole espresso beans and float chocolate shavings on the top.