Triple Chocolate Guinness Brownies

Ingredients (11)

• 1 cup bread (or all-purpose) flour
• 3/4 cup cocoa powder
• 1/2 teaspoon kosher salt
• 6 tablespoons unsalted butter
• 10 ounces dark chocolate chips
• 1/2 cup milk chocolate chips
• 4 large eggs
• 1 cup sugar
• 1 1/4 cups Guinness beer, no foam
• 1 cup semi-sweet chocolate chips
• Powdered sugar, for dusting