Preheat oven to 350°
Cream the butter, egg, shortening, and brown sugar together.
Add the cocoa powder, and melted butter and mix together.
Add the flour, baking powder, salt, and vanilla, and water and mix until combined.
Scoop onto a cookie sheet.
Bake for 8-10 minutes, depending on cookie size. For a 1 Tbs cookie scoop bake for 8 minutes.