Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   4      tablespoons   Unflavoured gelatine
   1      teaspoon      Orange extract
     3/4  cup           Unsweetened grapefruit juice
   2      tablespoons   Sugar
   2      cups          Unsweetened orange juice
     1/4  cup           Walnuts -- chopped (optional)
                        boiling

Preparation:

Soften gelatine in grapefruit juice. Add orange juice, orange extract and sugar. Stir until dissolved. Pour into 8" square pan. Chill until partially set. Sprinkle with walnuts if you wish.