INGREDIENTS
4
Eggland's best egg yolks, large
2
Eggland's best eggs, large
3
(113g) bittersweet or semi-sweet chocolate
2 tsp
Baking powder
1/2 cup
Brown sugar, tightly packed light
2 cups
Cake flour
3/4 cup
Cocoa powder, natural unsweetened or dutch-process
3 1/2 cups
Confectioners' sugar
3/4 cup
Granulated sugar
3/4 tsp
Salt
1 1/3 tbsp
Vanilla, pure
2
(160ml) buttermilk, at room temperature2
2 1/4 cups
Butter, unsalted
1/4 cup
Heavy cream