INGREDIENTS
3/4 cup
dark unsweetened cocoa powder
1 1/4 cups
hot water
2/3 cup
sour cream
2 2/3 cups
flour
2 tsp
baking powder
1 tsp
baking soda
1/2 tsp
salt
3/4 cup
unsalted butter, softened
1/2 cup
vegetable shortening
1 1/2 cups
granulated sugar
1 cup
firmly packed brown sugar
3
large eggs, at room temperature
1 tbsp
vanilla