Foryoueats: Brownie Cookies

Ingredients

• 2 four ounce bars (226g) semi-sweet chocolate, coarsely chopped
• 3/4 cup (94g) all-purpose flour(spooned & leveled)
• 1/4 cup (21g) natural unsweetened or dutch-process cocoa powder
• 1 teaspoon espresso powder
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 5 Tablespoons (71g) unsalted butter, softened to room temperature
• 3/4 cup (150g) packed light brown sugar
• 1/4 cup (50g) granulated sugar
• 2 large eggs, at room temperature
• 1 teaspoon pure vanilla extract
• optional: 3/4 cup (135g) semi-sweet chocolate chips