INGREDIENTS
1
Egg, large
8
Egg yolks, large
1 cup
All-purpose flour
1 1/2 tsp
Baking powder
4 cups
Bittersweet chocolate
1/4 cup
Cocoa, hot
3/8 cup
Dutch-processed cocoa, powder
3/4 cup
Powdered sugar
1/2 tsp
Salt
1
Vanilla bean
1 cup
White sugar, granulated
1/4 cup
Vegetable or canola oil
1/4 cup
Buttermilk
3 3/4 cups
Heavy cream