INGREDIENTS
4
Eggs, large
3 cups
All-purpose flour
1 tsp
Baking powder
1 tsp
Baking soda
3/4 cup
Cocoa powder, unsweetened Dutch process
1 1/4 tsp
Salt
2 1/4 cups
Sugar
1 tbsp
Vanilla extract
1 1/2 cups
Butter, unsalted
1 cup
Sour cream
3/4 cup
Water, hot