1 cup sugar
2 ripe bananas, cut up
3 cups unsweetened pineapple juice
1 6-ounce can frozen orange juice concentrate
2 Tablespoons lemon juice
1 1-liter bottle carbonated water or lemon-lime carbonated beverage, chilled
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Combine 2 3/4 cups water and the sugar till sugar dissolves. In a blender container combine bananas, half of the pineapple juice and the orange juice concentrate. Cover; blend till smooth. Add to sugar mixture. Stir in remaining juices. Transfer to a 13×9 inch baking pan. Freeze for 4 to 24 hours.
To serve, let mixture stand at room temperature 20 to 30 minutes. To form slush, scrape a large spoon across frozen mixture. Spoon into punch bowl. Slowly pour carbonated beverage down side of bowl; stir. Makes 23 (about 4 ounce) servings.