Garden Sour

Ingredients
1.5 oz. Agave de Cortés Mezcal Joven
.75 oz. Giffard Rhubarbe
.75 oz. Lemon Juice
0.5 oz. Simple Syrup
2 Dashes Celery Bitters
Soda Water
Method
Combine all ingredients except soda in shaker with ice.
Shake vigorously and strain into a collins glass over fresh ice.
Fill with soda water.
Garnish
Rhubarb ribbon
Equipment
Collins glass