The Ultimate Espresso Martini: Shaken to Perfection!

Ingredients

• 2 fluid ounces (60 ml) vodka
• 1 fluid ounce (30 ml) freshly brewed espresso, cooled
• ¾ fluid ounce (22 ml) coffee liqueur (Kahlua or Tia Maria preferred)
• ½ fluid ounce (15 ml) simple syrup
• Ice cubes
• ½ cup (100g) granulated sugar (for simple syrup)
• ½ cup (120ml) water (for simple syrup)
• 3 coffee beans (for garnish)