Chocolate Cake(From 1925 Watkins Cookbook) - cooking recipe

Ingredients

1/2 c. cocoa
1/2 c. white sugar
1/2 c. milk
1 egg yolk
1 c. sugar
1/2 c. butter
2 eggs
1/2 c. sour milk, into which 1 tsp. soda has been dissolved

Preparation

Boil the first four ingredients and cool.
Mix together with remaining ingredients and add 2 cups flour.
Bake in moderate oven in layers.
Ice with chocolate icing and nuts.