4 env. Knox unflavored gelatin
3 pkgs. (3 oz. each) Jello gelatin, any flavor
4 c. boiling water

In large bowl, mix Knox Gelatin with the Jello. Add boiling water and stir until dissolved. Pour into 13x9 inch baking pan and chill until firm, about 2 hours. To serve, cut into 1 inch squares. Makes about 9 dozen. Great for classroom parties and dieters.