INGREDIENTS
6
Egg whites, large
12
cut into 2-inch chunks 4 ounces bittersweet chocolate
2 cups
All-purpose flour
2 tsp
Baking powder
1 tbsp
Confectioners' sugar
1 1/2 cups
Granulated sugar
1/4 tsp
Salt, coarse
2
Vanilla beans
2 tsp
Vanilla extract, pure
3/4 cup
Butter, unsalted
3/4 cup
Whole milk