Marble Cake(Rhode Islander Recipe Of The Week, 1953)  
["1/3 c. shortening", "1 c. sugar", "2 eggs, well beaten", "1/2 tsp. vanilla", "1 3/4 c. cake flour", "2 tsp. baking powder", "1/2 tsp. salt", "1/2 c. milk", "1 oz. unsweetened chocolate, melted"]
["Preheat oven to 350\u00b0.", "Cream shortening, adding sugar gradually, and beat until very light.", "Add eggs and vanilla, mixing thoroughly.", "Sift dry ingredients together 3 times and add alternately with milk, beating after each addition.", "To 1/3 of the batter, add the chocolate and blend well.", "Drop spoonfuls of batter, alternating light and dark, into a greased tube pan.", "Bake 1 hour."]
["shortening", "sugar", "eggs", "vanilla", "cake flour", "baking powder", "salt", "milk", "unsweetened chocolate"]