In a bowl, combine flour, coco powder, baking soda and baking powder.

In another bowl, combine sugar and melted butter. Whisk by hand. Add vanilla extract. Add eggs one at a time.

Whisk in the flour mixture to wet mixture. Add melted chocolate. Whisk.

Bake till ready. Cut into squares. Serve with vanilla ice cream on top. Drizzle with chocolate topping.