This recipe is from Shirley McNevich's Mom's Best Recipes Vol 1. Published here with her permission.
Don't forget to check Shirley's blog.
(by Shirley McNevich)
4 envelopes Knox unflavored gelatin (found in same grocery store aisle as Jell-O)
3 - 3 oz. packages of any flavor Jell-O
3 cups of boiling water
In a large mixing bowl, combine Knox gelatin and flavored Jell-O. Add boiling water and stir until everything is completely dissolved (about 5 minutes). Pour into large shallow baking dish (13 x 9). When cool, refrigerate until very firm (at least a few hours). Cut into squares to serve. Eat with your fingers.