Combine the dry ingredients. Preheat the oven to 350 degrees. Whisk together the sugar, flour, cocoa powder, salt, and baking powder. Set it to the side.
Combine the wet ingredients. Whisk together the melted butter, eggs, and vanilla extract in a separate bowl.
Combine the ingredients. Add the dry ingredients to the wet ingredients while stirring. Stir the mixture until it is just combined. If you are using chocolate chips, stir them in.
Bake the brownies. Place the brownies in the oven and bake them for 25 minutes. Remove them from the oven and allow them to cool.
Cut and serve. Cut the brownies with a sharp knife and serve. Mangia!