If there is one recipe you use from my site, it should be these dark chocolate brownies. I am picky about my brownies, and this one is so perfectly balanced- from the chocolate to the sugar to the salt. And my personal must-haves: this recipe has a beautiful crackly crust and a crisp edge that gives way to a fudgy, soft center. It does not get any better than this.
Grease a 9x13 baking dish, and preheat oven to 350.
Melt butter in microwave or on stove, stir in chocolate until fully melted.
Combine white sugar, brown sugar, salt, eggs, vanilla, and espresso powder in a bowl and using a stand or hand mixer, whip the ingredients until fluffy, about 5 minutes.
Pour butter and chocolate mixture into egg and sugar mixture.
Add flour and cocoa powder and stir until combined.