Double Chocolate Brownies

Directions

1. 1
   Preheat the oven to 350F.
2. 2
   Line a buttered 8-inch-square baking pan with foil or parchment paper, allowing 2 inches to hang over the sides.
3. 3
   Butter the lining (excluding overhang); set the pan aside.
4. 4
   Put the butter, chocolate, and cocoa in a heatproof medium bowl set over a pan of simmering water; stir until the butter and chocolate are melted.
5. 5
   Let cool slightly.
6. 6
   Whisk together the flour, baking powder, and salt in a separate bowl; set aside.
7. 7
   Put the sugar, eggs, and vanilla in the bowl of an electric mixer fitted with the whisk attachment, and beat on medium speed until pale, about 4 minutes.
8. 8
   Add the chocolate mixture; beat until combined.
9. 9
   Add the flour mixture; beat, scraping down the sides of the bowl, until well incorporated.
10. 10
    Pour the batter into the prepared pan; smooth the top with a rubber spatula.
11. 11
    Bake until a cake tester inserted into the brownies (avoid center and edges) comes out with a few crumbs but is not wet, about 35 minutes.
12. 12
    Let cool slightly in the pan, about 15 minutes.
13. 13
    Lift out the brownies; let cool completely on a wire rack before cutting into squares.