Devil'S Food Cake - cooking recipe

Ingredients

6 egg yolks
2/3 c. butter
1 tsp. soda
1/2 c. cocoa
2 1/2 c. flour
2 c. sugar
1 c. buttermilk
1 tsp. baking powder
1/2 c. hot water
1 tsp. vanilla

Preparation

Cream butter, eggs and sugar.
Pour hot water in cocoa, then add to mixture.
Add buttermilk.
Sift dry ingredients (soda, baking powder and flour).
Add to mixture.
Add vanilla.
Bake about 30 to 40 minutes in layer pans at 350\u00b0.