Mystery Pie

Directions

1. 1
   Beat egg whites stiff.
2. 2
   Add baking powder and sugar gradually. Add vanilla and beat until very stiff.
3. 3
   Fold in cracker crumbs and nuts.
4. 4
   Pour into well-greased pie pan and bake at 350° for 30 minutes.
5. 5
   Let cool and top with Cool Whip.