2 pkgs. (10 oz. each) frozen red raspberries in syrup, partially thawed
1 can (12 oz.) frozen lemonade concentrate, thawed
1 can (46 oz.) pineapple juice
2 bottles (32 oz. each) 7-Up, chilled

Place raspberries and lemonade in blender. Process until smooth. Strain into punch bowl. Discard seeds. Stir in pineapple juice. Just before serving, slowly add 7-Up. Makes 4 (1/2 quarts).