Chocolate Cake - cooking recipe

Ingredients

1/2 c. sugar
1/2 c. milk
4 sq. unsweetened chocolate
1 egg yolk
1 c. sugar
1/2 c. margarine
2 eggs
1 c. milk
2 c. flour
1 tsp. baking soda

Preparation

Combine first 4 ingredients and bring to slow boil, mixing frequently.
Let cool to warm.