One Egg Marble Cake

2 c. sifted cake flour                    1/3 c. more milk
1-1/4 c. sugar                             1/4 c. unbeaten egg (1 large)
2-1/2 tsp. baking powder
1 tsp. salt                                   1 sq. baking chocolate, melted
1/3 c. shortening                         1/4 tsp. baking soda
1 tsp. vanilla                               2 tbsp. water
2/3 c. milk

Line bottoms of two round layer pans 8" or 9" with parchment paper.

Sift into bowl the flour, sugar, baking powder, and salt. Add shortening, vanilla, and 2/3 c. milk. Beat with mixer 2 minutes, on medium speed. Scrape sides and bottom of bowl constantly.

Add the other 1/3 c. milk and egg. Continue beating 2 more minutes.

Pour about half of the batter into another bowl. Add mixture of chocolate, baking soda and water. Beat 1/2 minute. Place alternate spoonfuls of chocolate and white batter into pans or pan. Run knife through to give a marbled effect.

Bake layers 25-30 minutes at 350 deg. or oblong cake 30-35 minutes. When cake is cool, frost with Chocolate Icing.