Mother'S Prune Pie

Directions

1. 1
   Cook prunes with a little water.
2. 2
   Mash fine and add the chopped nuts.
3. 3
   Add the sugar to the beaten egg whites; beat well again.
4. 4
   Add the prune and nut mixture.
5. 5
   Put the prune stuff into a baked pastry shell.
6. 6
   Bake very slowly for about 25 minutes.
7. 7
   Serve with a generous dollop of real whipped cream.