Lime Cordial

Directions

1. 1
   Combine sugar and 1 2/3 cups water in a large saucepan. Stir over low heat until sugar has dissolved. Add lime zest and bring to a boil. Boil, uncovered, without stirring, for 3 mins. Remove from heat and add lime juice. Strain into sterilized bottles, discarding solids. Let cool to room temperature.
2. 2
   To serve, add 4 parts still or sparkling mineral water to 1 part lime syrup, or to taste.