Cosmic Brownies

ادامه ویدیو ها در سایت زیر BrowniesBrownies - nonstick cooking spray for greasing - 1 ½ sticks unsalted butter - 3 oz dark chocolate - 90 g chopped - 1 ¼ cups granulated sugar - 250 g - 2 tablespoons light brown sugar - 1 ½ teaspoons kosher salt - 3 large eggs - 2 teaspoons vanilla extract - ¾ cup dutch processed cocoa powder - 90 g - ½ cup all purpose flour - 120 mL - 1 teaspoon instant espresso powder op