3 eggs
3/4 c. sour cream
1 c. water
1 c. butter
1/4 c. cocoa powder
2 c. unsifted flour
2 c. sugar
1/2 tsp. salt
1 tsp. baking soda
6 oz. chocolate chips

Combine eggs and sour cream in small bowl, beat lightly. Combine water, butter and cocoa in saucepan. Bring to boil over medium heat, lower heat and simmer 2 minutes. Combine flour, sugar, salt and baking soda. Stir to mix well. Beat in sour cream mixture. Stir in chocolate chips, gradually stir in hot cocoa mixture. Beat until just blended. Batter will be thin. Pour into greased and floured 9 x 13 inch pan. Bake at 350 degrees (preheated) for 40-50 minutes.

FROSTING:

4 sqs. unsweetened chocolate, melted
2-1/4 c. sifted powdered sugar
2 egg yolks
6 tbsp. butter, softened

Melt chocolate in saucepan. Add powdered sugar. Beat egg yolks in one at a time. Stir in butter 1 tablespoon at a time, beating well after each.