INGREDIENTS
4 oz
61 percent cacao
4
Eggs, large
1 tsp
Baking soda
2 cups
Cake flour
1
Chocolate ganache frosting
3/4 cup
Cocoa powder, Dutch-process
1/2 tsp
Salt
2 1/4 cups
Sugar
1 tbsp
Vanilla extract, pure
1 3/4 cups
Butter, unsalted
3/4 cup
Sour cream
3/4 cup
Water, hot