1 1/2 cups freshly squeezed lemon juice (from about 10 lemons) |
1 1/2 cups freshly squeezed lime juice (from about 15 limes) |
1 cup superfine sugar |
1/2 cup honey |
3 tablespoons finely chopped crystallized ginger |
4 cups cold water |
crushed ice |
1 lemon, thinly sliced for garnish |
1 lime, thinly sliced for garnish |