brownies part two

instructions:
1.Adjust oven to middle position and heat oven to 350 degrees.  Line an 8-inch square metal baking pan with foil lightly coated with vegetable oil spray.
2.Mix flour and baking powder together.  Set aside.
3.In another bowl, mix cocoa, vanilla, water, and espresso powder together.  Set aside.
4.Microwave chocolate and butter together at 50 percent power for a minute.  Whisk until smooth.
5.Whisk in sugar and salt until fully incorporated. 
6. Whisk in cocoa mixture, and then whisk in the egg.
7.Stir in flour mixture until just incorporated.  Do not overmix!
8.Pour batter into pan and bake for about 20 to 25 minutes.
9.Take out the pan and let it cool.  Take out the large square and cut into 12 brownies.