INGREDIENTS
1 1/4 cups
all purpose flour
1 tsp
salt
2 tbsp
unsweetened Dutch Process cocoa powder
11 oz
dark chocolate, roughly chopped
1 cup
unsalted butter, cut into 1-inch chunks
optional: 1 teaspoon instant espresso powder
1 1/2 cups
granulated sugar
1/2 cup
packed light brown sugar
5
eggs, at room temperature*
2 tsp
vanilla extract