INGREDIENTS
1 1/3 cups
chopped bittersweet chocolate or chocolate chips
1/2 cup
(4 ounces, 1 stick) unsalted butter
2/3 cup
sugar
3
large eggs
2 tsp
vanilla
2 tsp
espresso powder (optional)
1/2 tsp
baking powder
1/4 tsp
salt
1 2/3 cups
King Arthur Unbleached All-Purpose Flour
confectioners' sugar* (for coating)