2 env. Knox gelatin
1 c. cold water
1 c. boiling water
Juice of 1 lemon
2/3 c. sugar
1 can (1 lb. 4 oz.) grapefruit sections with juice
1/2 c. crushed pineapple (drained)
1/2 c. slivered almonds

Soak gelatin in cold water for 5 minutes. Add boiling water and stir until dissolved. Add juice and sugar and stir until dissolved. Add grapefruit sections with juice and drained pineapple. Put in quart mold or 9x13 or 9x9. Put in refrigerator until set. Sprinkle with slivered almonds and serve with mayonnaise. Serves 8-12.