Directions Preheat oven to 350 degree F (175 degrees C). Grease and flour one 9 x 13 inch pan.**Grate the chocolate. In a small saucepan, boil the milk and chocolate until mixture forms a custard.**Cream the butter or margarine and sugar. Add eggs and sour cream to the creamed mixture.**Dissolve the baking soda in water, and add to the creamed mixture. Add the flour, and mix thoroughly. Add the chocolate mixture and beat well. Pour into a greased and floured 9×13 inch pan.**Bake at 350 degrees F (175 degrees C) for 40 minutes to one hour.**
Chocolate Cake I Recipe

Ingredients
milk,chocolate,white sugar,egg,sour cream,baking soda,water,flour,butter
Directions Preheat oven to 350 degree F (175 degrees C). Grease and flour one 9 x 13 inch pan.**Grate the chocolate. In a small saucepan, boil the milk and chocolate until mixture forms a custard.**Cream the butter or margarine and sugar. Add eggs and sour cream to the creamed mixture.**Dissolve the baking soda in water, and add to the creamed mixture. Add the flour, and mix thoroughly. Add the chocolate mixture and beat well. Pour into a greased and floured 9×13 inch pan.**Bake at 350 degrees F (175 degrees C) for 40 minutes to one hour.**
Directions Preheat oven to 350 degree F (175 degrees C). Grease and flour one 9 x 13 inch pan.**Grate the chocolate. In a small saucepan, boil the milk and chocolate until mixture forms a custard.**Cream the butter or margarine and sugar. Add eggs and sour cream to the creamed mixture.**Dissolve the baking soda in water, and add to the creamed mixture. Add the flour, and mix thoroughly. Add the chocolate mixture and beat well. Pour into a greased and floured 9×13 inch pan.**Bake at 350 degrees F (175 degrees C) for 40 minutes to one hour.**