• 8 cups cold water
• 2 cups freshly squeezed lemon juice
• 10 to 12 large lemons
• 2 cups crushed ice
• 1 to 1 1/2 cups superfine sugar

In two batches, pulse water, lemon juice and ice in a blender, adding sugar to taste. Transfer to a large pitcher and serve immediately, or chill, covered, until ready to serve. Pour into tall glasses over ice.

Recommended variation: To make an alcoholic version, add chilled vodka to pitcher before serving.