Chocolate Cake(Over 100 Years Old)  
["6 Tbsp. chocolate", "1/4 tsp. cinnamon", "5 Tbsp. boiling water", "1 1/2 c. sugar", "1/2 c. shortening", "4 egg yolks", "1 3/4 c. flour", "1/2 c. milk", "2 rounded tsp. baking powder", "1 tsp. vanilla", "1/8 tsp. salt", "4 well beaten egg whites"]
["Mix first 3 ingredients in a cup or bowl and let stand.", "In a large bowl, mix sugar, shortening and egg yolks.", "Add chocolate mixture and remaining ingredients.", "Pour into greased and floured cake pan.", "Bake at 350\u00b0 until toothpick comes out clean."]
["chocolate", "cinnamon", "boiling water", "sugar", "shortening", "egg yolks", "flour", "milk", "baking powder", "vanilla", "salt", "egg whites"]