Blueberry Margaritas

Bahan-bahan (2 porsi)

• 1 pint (2 cups) fresh blueberries
• 3 ounces freshly-squeezed lime juice
• 5 ounces blanco/silver tequila
• 2 ounces Grand Marnier or Cointreau (or any orange liqueur)
• ice
• optional: lime wedge and salt for rimming the glass