add the potatoes and seasoning. Toss them around in the hot pan for about 3 minutes, keeping them moving, until they begin to crisp and brown at the edges, then return the chorizo, onion and ...
Divide the chorizo filling in half ... Check and adjust the seasoning, then transfer the borani to a plate, spread it right to the edges and smooth over with the back of the spoon.
Add the chorizo and cook for a further 5 minutes, seasoning at the end with a little black pepper and a small pinch of salt. Cut the peeled parsnips into thin chips and do the same with the chorizo.