Date Nut Cake
["1 lb. pitted dates (50 to 60)", "1 lb. shelled walnuts (4 c.)", "1 c. sifted flour", "1 tsp. salt", "2 tsp. baking powder", "1 c. sugar", "4 eggs", "1 tsp. vanilla"]
["Sift flour, salt and baking powder over whole dates and walnuts.", "Add sugar.", "Separate eggs.", "Add beaten egg yolks to mix. Beat whites to stiff and add vanilla.", "Add to mix.", "Bake in loaf pan 1 hour or more, at 350\u00b0."]
["dates", "walnuts", "flour", "salt", "baking powder", "sugar", "eggs", "vanilla"]