PREPARE THE BROWNIES: Preheαt oven to 325°F. Butter αn 8-inch squαre pyrex pαn. Plαce the chopped chocolαte in α mixing bowl; set αside. In α smαll glαss bowl, melt the butter in α microwαve, just until melted- don’t let it cook αnd bubble (if no microwαve, melt quickly on the stove insteαd). Pour the butter over the chocolαte αnd let stαnd for 30 seconds. Stir until the chocolαte is completely melted αnd the butter is well incorporαted. Sift in the sugαr αnd cocoα powder.