INGREDIENTS
3
Eggs, large
2 cups
All-purpose flour
1 1/4 tsp
Baking powder
2 tsp
Baking soda
1
Baking spray with flour, Nonstick
4 oz
Chocolate, semisweet
1 1/4 cups
Cocoa powder, unsweetened
3 cups
Confectioners' sugar
2 cups
Granulated sugar
1 tsp
Kosher salt
2 tsp
Vanilla extract, pure
2 tsp
Vanilla extract
2 sticks
Butter, unsalted
1 cup
Buttermilk
2/3 cup
Sour cream
1/2 cup
Water