INGREDIENTS
•
CUPCAKES
•
8 tablespoons unsalted butter, cut into 4 pieces
•
2oz bittersweet chocolate, chopped
•
1/2 cup Dutch-processed cocoa
•
3/4 cup unbleached flour
•
1/2 teaspoon baking soda
•
3/4 teaspoon baking powder
•
2 large eggs
•
3/4 cup sugar
•
1 teaspoon vanilla extract
•
1/2 cup sour cream
•
1/2 teaspoon table salt
•
FROSTING
•
16oz bittersweet chocolate, chopped
•
1/2 cup heavy cream
•
2 tablespoons corn syrup
•
a pinch of table salt
•
2/3 cup confectioners sugar
•
1 teaspoon vanilla extract
•
8 tablespoons unsalted butter cut into 8 pieces