Chocolate Oatmeal Cookies

This is what I think of when I think of oatmeal cookies, no matter whether they are adorned with raisins, chocolate chips or coconut: oats, cinnamon, flour and eggs:

But this particular chocolate oatmeal recipe is built more like a brownie recipe - melted chocolate and butter, to which the other ingredients are added:

The shiny chocolate mixture getting the final crucial ingredient:

and ready to bake on parchment!