Black Walnut Cake
["3 c. flour", "1 tsp. cream of tartar", "1 tsp. soda", "2 c. sugar", "1 c. shortening", "1 c. cold water plus 4 Tbsp. water", "4 eggs, separated"]
["Cream yolks with sugar.", "Beat egg whites and fold in with other ingredients.", "Add sugar and yolks (creamed).", "Add 1 cup ground walnuts.", "Bake in greased and floured 9 x 12 pan.", "Bake at 325\u00b0 for 60 minutes."]
["flour", "cream of tartar", "soda", "sugar", "shortening", "cold water", "eggs"]