Avocado Margaritas

Bahan-bahan (2 porsi)

• 1 ripe avocado, peeled and pitted
• 2 cups ice
• 4 ounces tequila
• 2 ounces Cointreau (or any orange liqueur)
• 2 ounces fresh lime juice
• 1/4 cup fresh cilantro leaves, optional
• pinch of salt
• 1 -3 teaspoons agave nectar, optional
• 1 -3 slices fresh jalapeno, optional
• optional garnishes: fresh lime wedges, extra fresh cilantro, extra avocado slices