INGREDIENTS
3 cups
packed brown sugar
1 cup
butter or margarine, softened
4
eggs
2 tsp
vanilla extract
2 2/3 cups
all-purpose flour
3/4 cup
baking cocoa
1 tbsp
baking soda
1/2 tsp
salt
1 1/3 cups
sour cream
1 1/3 cups
boiling water
FROSTING:
1/2 cup
butter or margarine
3
squares unsweetened chocolate
3
squares semisweet chocolate
5 cups
confectioners' sugar
1 cup
sour cream
2 tsp
vanilla extract