Drain pineapple juice and add enough water ... to boil, mix Jello. Add 1 cup cold water, pineapple and blueberry filling. Congeal. Mix and spread on top of salad. Sprinkle with nuts.
In 9"x13" pan, mix the Jello and boiling water until dissolved. Add undrained pineapple and blueberry pie filling. Stir and let ... set Jello mixture. Chill.