Chocolate Cake - cooking recipe

Ingredients

2 oz. (2 sq.) unsweetened chocolate
1 c. boiling water
1/2 c. shortening
2 c. sugar
1/2 tsp. salt
2 c. flour
1 1/2 tsp. baking soda
1/2 c. sour milk (add a few drops of vinegar to milk to sour)
2 eggs, beaten

Preparation

Heat chocolate, boiling water and shortening in the top of a double boiler until chocolate is melted and mixture looks glossy when beaten slightly.