Setting Sun Summer Cooler
["2 tsp. grenadine", "6 Tbsp. frozen concentrated orange juice, thawed (undiluted)", "2 c. club soda, chilled"]
["Spoon grenadine evenly into 2 glasses.", "Combine juice and soda; pour gently into glass.", "Serves 2."]
["grenadine", "orange juice", "club soda"]