• 1/3 (2 1/3 ounces/66 grams), light brown sugar, packed light
• 2/3 cup (2 ounces/57 grams), unsweetened cocoa powder, unsweetened
• 3/4 cup (3 3/4 ounces/106 grams), all-purpose flour
• 1 cup (7 ounces/198 grams), granulated sugar
• 4 1/8 oz Bittersweet chocolate, coarse