grasshopper brownies

Ingredients in this Recipe

1 1/2 cups packed light brown sugar
1 1/2 sticks (3/4 cup) unsalted butter
1/4 cup plus 2 tablespoons unsweetened Dutch process cocoa powder
10 1/2 oz fine quality bittersweet chocolate (not extra bitter or unsweetened and no more than 60% cacao if marked), finely chopped
3 large eggs, lightly beaten
3/4 cup all purpose flour
3/4 teaspoon salt

See Full Recipe at Smitten Kitchen