preheat oven to 350lightly grease a 8' or 9 " square pan whisk together cocoa, sugar, salt baking powder flour (and optional stuff ( I add dark chips)
stir in egg, oil and water until evenly blended
spoon in the mixture into the pan smothing to top
bake brownies for 45 min (in an 8 " pan) or 35 min (in a 9" pan) can be adjusted depending on doneness you like.
cool on rack for 1 hour before slicing