Ingredients

1 cup sugar

2 cups fresh lemon juice (about 10 lemons)

3 cups cold sparkling water

4 1/2 cups ice

Preparation

Bring 1 cup water and the sugar to a boil in a small saucepan, stirring until sugar is dissolved. Let cool completely; refrigerate until ready to use.

Put syrup, lemon juice, and sparkling water in a pitcher. Stir in the ice.