Rhubarb Pizza

My favorite recipe my mother would make for us when I was a child...

INGREDIENTS:

1/4 cup sugar
1 cup flour
1 teaspoon salt
2 tablespoons shortening
1 egg, beaten with
2 tablespoons milk
3 cups diced rhubarb
1 box (3 oz. size) strawberry gelatin
1 cup sugar
1/4 cup flour
1/3 cup melted margarine
PREPARATION:

Mix together first 5 ingredients until well blended. Pat mixture into bottom and sides of round pizza pan or a 9 x 12 inch cake pan. Spread rhubarb over bottom crust; sprinkle with dry gelatin. Blend together 3 remaining ingredients; sprinkle over rhubarb and gelatin. Bake at 350 degrees F for 45 minutes.