1. Preheat oven to 350 degrees and grease a small pan (9" by 9" or something close to that)

2. In a large bowl, combine melted butter and sugar and brown sugar.

3. In a separate bowl, combine eggs and vanilla extract.

4. Add egg mixture to butter mixture stirring gently (you don't want to beat it).

5. Sift in flour, cocoa powder, baking powder and salt and stir until combined.

6. Pour into your greased pan and bake for 22-28 minutes.

7. Let cool, then top with powdered sugar!