INGREDIENTS
3
Eggs, large
1 1/2 cups
All-purpose flour
1 1/2 tsp
Baking powder
3/4 tsp
Baking soda
1 1/3 cups
Brown sugar, firmly packed light
4 oz
Chocolate, unsweetened
3/4 cup
Cocoa powder, unsweetened
2 1/2 cups
Confectioners' sugar
1/2 tsp
Salt
3 tsp
Vanilla
3 1/2 sticks
Butter, unsalted
1 cup
Sour cream
1 cup
Whipped cream cheese
1/3 cup
Water