2 c. flour
1 1/2 c. sugar
3 tsp. baking powder
1 tsp. salt
1/2 c. Mazola oil
3/4 c. water
7-8 egg yolks, depending on size
2 tsp. vanilla
1 c. egg whites
1/2 tsp. cream of tartar
2 squares melted pkg. chocolate
1/4 c. sugar
1/4 tsp. baking soda
1/4 c. hot water

Sift together once: flour, sugar, baking powder, and salt. Make a well and add oil, water, egg yolks, and vanilla. Mix well. Beat egg whites and cream of tartar until very stiff. Fold together. Mix chocolate, sugar, baking soda, and hot water.

Divide batter in half. Add chocolate mixture to one bowl of batter. Alternate pouring chocolate and vanilla batter into angel food cake pan.

Bake at 325 degrees for 55 minutes; at 350 degrees for 10 minutes. Turn cake pan upside down as soon as you take it out of the oven.

ICING:

1/2 c. butter
1 c. brown sugar
1/4 c. milk

Cook butter and brown sugar 2 minutes; add milk. Bring to a boil. Cool add powdered sugar to thicken.