Amanda's angel food cake

11      each          Egg white
   1 1/2  cups          Sugar
   1      cup           flour
   1      teaspoon      Cream of tartar
     1/8  teaspoon      Salt
   1      teaspoon      vanilla

Sift the dry ingredients together 4 times. Beat the egg whites until dry.
Fold dry ingredients into eggs. Add flavoring and bake at 250-F for 1 hour.
This cake should be baked in an ungreased angel food pan. Source:
Pennsylvania Dutch Cook Book - Fine Old Recipes, Culinary Arts Press, 1936.