Ingredients
1 1/4 cup All-purpose flour
1 teaspoon salt
2 TBSP unsweetened cocoa powder
11 ounces dark chocolate (chopped)
1 cup unsalted butter ( 8 ounces ) cut into 1 inch pieces
1 teaspoon instant espresso powder
1½ cups granulated sugar
½ cup packed light brown sugar
5 eggs, at room temperature
2 teaspoons vanilla extract
Instructions