Agua Fresca de Jamaica (Hibiscus Cooler)

Method

1. 1Bring 4 cups water + hibiscus + ginger + cinnamon to a boil.
2. 2Off heat, steep 15 min till deep ruby.
3. 3Pour through a sieve; stir in remaining 4 cups cold water, sugar, salt, lime.
4. 4Chill 1 hr.
5. 5Serve over ice with lime wheel.
6. 6Tangy, floral, deep red — Mexican summer classic.