1 pkg. lemon gelatin
1 pkg. lime gelatin
2 c. boiling water
2 c. cold water
1 #2 can crushed pineapple
1 c. mayonnaise
1/2 c. chopped walnuts
1 c. evaporated milk

Combine first 4 ingredients; let cool. Add pineapple, let stand. Add remaining ingredients. Pour into 9 x 12 inch pan. Refrigerate until set. Cut into desired size squares and serve on shredded lettuce topped with teaspoon of mayonnaise.