Chocolate Cake - cooking recipe

Ingredients

1/4 lb. butter
1 c. sugar
1 c. brown sugar
6 egg yolks
3 Tbsp. cold water
3 sq. Baker's unsweetened chocolate, melted
2 c. sifted cake flour
1 tsp. baking soda
pinch of salt
1 tsp. pure vanilla
1 c. buttermilk

Preparation

Cream butter and sugar thoroughly.
Add chocolate.
Add egg yolks, which have been beaten well with water.
Sift flour, soda and salt 3 times.
Add to first mixture alternately with buttermilk until all are used.
Beat until well mixed.
Add vanilla.
Bake in 2 large layer pans (1 1/2 x 9-inch) for about 35 minutes in a 350\u00b0 oven.
Use a seven minute frosting between layers and a chocolate frosting on top and sides.