01 -
Rinse the lime or lemon with cold water, rub thoroughly with kosher salt to remove any bitterness, then cut into quarters and remove all seeds.
02 -
Combine the citrus quarters with 1.5 cups of cold water in a blender. Blend vigorously for 10 seconds, then strain the mixture through a fine mesh sieve to remove the pulp.
03 -
Stir in the simple syrup and sweetened condensed milk into the strained citrus water until fully dissolved.
04 -
Add ice cubes to the mixture until the total volume reaches roughly 3 cups. Shake well or stir vigorously for about 10 seconds to chill thoroughly.
05 -
Pour into a tall glass and serve immediately.