Roll out the firmed-up lid dough on a very well floured counter and gently lift it onto the pie and trim the overhang. It will tear. This is fine, and all the better to let juice erupt through. If it flusters you, you can use some of the trimmings to patch it up but still, the pie will bubble through in other places. Brush the crust with milk or cream, sprinkle with sugar and bake for 40 minutes, until lightly golden on top.