Mrs. Richard's Slush Punch

On KEN P.D. SNYDECAST #193: Boxing’s Been Good Ken mentions a grade school holiday treat called Slush.

Here are his vague descriptions:

Kool Aid and Jell-O with a Slurpee consistency...

With hard crusty, too thick, Jell-O on top....

I think it was Strawberry Slush...

You had Ginger Ale for the kick and Kool Aid for the flavor....

There are quite a few "slush punch" recipes on the internet. I didn't find one that matched all of Ken's recollections  but a few sounded like they wouldn't suck. 

For example, this one seems like it may be a winner:

 1-1/4 cups white sugar
3 cups water
1 (3 ounce) package strawberry flavored gelatin mix
1/2 (46 fluid ounce) can pineapple juice
1/3 cup lemon juice
2 cups orange juice
1 (2 liter) bottle lemon-lime flavored carbonated beverage (ex. Sprite)

DIRECTIONS
In a large saucepan, combine sugar, water, and strawberry flavored gelatin. Boil for 3 minutes. Stir in pineapple juice, lemon juice, and orange juice. Freeze in a ziplock. (I froze mine in two ziplocks so I could add a frozen chunk halfway through the party and keep it slushy)
When ready to serve, place the frozen contents of one container in a punch bowl, and stir in 1 bottle of lemon-lime soda until slushy.
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