Purple Punch Recipe - We made this for our wedding reception and floated frozen blueberries in it. It was very well received! Tasty Tasty! 1 (6 oz.) can frozen lemonade concentrate, diluted to 3 c. 1 bottle (1 pt., 8 oz.) Welch's unsweetened grape juice 1 pkg. grape gelatin 2 c. hot water 1 qt. ginger ale Mix fruit juices. Chill. Dissolve gelatin in hot water. Add a few ice cubes to cool quickly. Add fruit juices and mix. Just before serving, add ginger ale and ice cubes.