Weeknight Baking Fudge Brownies

Ingredients (9)

• 1 cup (8 oz.) unsalted butter, chopped
• 2 tablespoons Dutch-processed cocoa powder
• 8 oz. dark chocolate (63%-73% cocoa)
• 1 cup all-purpose flour
• 1/2 teaspoon kosher salt
• 4 large eggs
• 1 cup packed brown sugar
• 1 cup granulated sugar
• 2 teaspoons vanilla extract