ادامه ویدیو ها در سایت زیر To Make The Best Brownies - 2 ½ sticks unsalted butter plus more, softened, for greasing - 8 oz good-quality semisweet chocolate - 225 g or bittersweet chocolate, 60-70% cacao, roughly chopped - ¾ cup unsweetened dutch process cocoa powder - 90 g divided - 1 tablespoon espresso powder - 2 cups granulated sugar - 400 g - ½ cup dark brown sugar - 110 g packed - 2 teaspoons vanilla extract - 2 teaspoons kosher sal