INGREDIENTS
3 oz
unsweetened chocolate, roughly chopped
1 cup
plus 2 tablespoons all-purpose flour
1/3 tsp
baking powder
1/3 tsp
baking soda
1/4 tsp
salt
1/2 cup
unsalted butter, at room temperature
1 1/4 cups
minus 1 tablespoon sugar
2
eggs
1 tsp
vanilla extract
1/2 cup
sour cream
1/2 cup
water
1 1/2 oz
unsweetened chocolate, roughly chopped
1 1/4 cups
powdered sugar
3 tsp
Dutch process cocoa
3/4 cup
unsalted butter, at room temperature
1/2 tsp
vanilla extract
1/4 cup
heavy whipping cream, at room temperature