Celery Cilantro Cocktail

Bahan-bahan (1 porsi)

• 1 oz Absolut Citron
• 3 tbsp fresh squeezed lime juice
• 2 tbsp simple syrup (or  1 tbsp agave, 1 tbsp water)
• 5 inch piece celery
• 1/4 cup chopped cilantro
• 2 tbsp seltzer
• ice