Elegant Chocolate Pound Cake
["1 c. butter or margarine", "1/2 c. shortening", "3 c. sugar", "3 tsp. vanilla extract", "1 tsp. lemon extract", "1 1/8 c. milk or 8 oz. sour cream", "5 eggs, separated", "3 c. flour", "1/2 tsp. baking powder", "1/2 c. cocoa", "1/8 tsp. salt"]
["Cream butter and shortening with sugar.", "Add flavorings.", "Add egg yolks, one at a time, beating well after each.", "Sift dry ingredients and add to creamed mixture alternately with milk or sour cream.", "Blend well after each addition.", "Beat egg whites until stiff and fold into batter.", "Bake at 325\u00b0 for 1 hour or test until done."]
["butter", "shortening", "sugar", "vanilla extract", "lemon extract", "milk", "eggs", "flour", "baking powder", "cocoa", "salt"]