Makes 4-6 margaritas
Rhubarb Syrup:
3 stalks rhubarb, roughly chopped
1 1/2 cups water
1 1/2 cups sugar
Margarita:
12 fluid ounces tequila
2 fluid ounces Cointreau
8 fluid ounces fresh lime juice
10 fluid ounces reserved rhubarb syrup
1 fresh jalapeño, stems removed and roughly chopped
Sparkling water
Glass Rim:
2 tablespoons sugar
2 teaspoons Maldon sea salt