1 can (6 ounces) frozen lemonade concentrate, thawed
1 can (6 ounces) frozen limeade concentrate, thawed
1 can (20 ounces) pineapple chunks, undrained
2 C. water
2 liters cherry soda, chilled
2 liters ginger ale, chilled
Lemon and lime slices, optional

In a blender, combine concentrates and pineapple; cover and blend until smooth. Pour into a gallon-size container; stir in water. Store in the refrigerator. To serve, pour the mixture into a punch bowl; add cherry soda and ginger ale. Garnish with lemon and lime slices if desired. Yield: about 6 quarts.