Guinness Stout Chocolate Brownies

Name: Guinness Stout Chocolate Brownies
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: British, American
Ingredients: 1 cup all-purpose flour; 3/4 cup unsweetened cocoa powder; 1/2 teaspoon salt; 6 tablespoons butter (cut into cubes); 8 ounces dark bittersweet chocolate (chopped; may substitute extra-dark chocolate chips); 3/4 cup white chocolate chips; 4 large eggs (at room temperature); 1 cup granulated white sugar; 1 cup/8 ounces Guinness Extra Stout beer (room temperature, no foam); 1 cup semi-sweet chocolate chips