1 (6 oz.) or 2 (3 oz.) pkgs. sugar-free gelatin (any flavor)
2 c. hot water
2 c. cold water
1 (12 oz.) frozen lemonade concentrate
1 1/2 c. unsweetened pineapple juice
48 oz. diet lemon-lime soda pop

Pour boiling water over sugar free gelatin. Stir until dissolved. Add cold water, lemonade and pineapple juice. Freeze until firm. Remove from freezer and pour diet soda over frozen mixture. Stir to form slush.

For small households: Frozen mixture can be frozen in 4 small containers and each stirred with 1 (12 ounce) can of diet soda as needed. 20 - 6 ounce servings.