California Lemonade
["3 c. white grape juice, chilled", "1 (6 oz.) can frozen lemonade concentrate", "2 1/4 c. Club soda, chilled", "lemon slices (optional)"]
["Combine first three ingredients in 2-quart pitcher.", "Serve over lemon slices."]
["white grape juice", "frozen lemonade concentrate", "Club soda", "lemon slices"]