An English cucumber adds a mild flavor to this tart lemony drink.
In blender, combine cucumber and 1 can lemonade concentrate; blend until almost smooth. Transfer to serving container. Stir in remaining lemonade concentrate and water. Cover; chill up to 24 hours.
Stir before serving. Serve over ice with cucumber slices. Makes 12 servings.
Make up to 24 hours ahead; cover and refrigerate. Stir before serving.
Add 3 cups vodka to the pitcher or 1/4 cup vodka to each serving.