Trim off any sinew from the pork tenderloin, cut into smallish chunks and season with salt and pepper. Take the skin off the chorizos and cut into thinish slices
Picture . Put a couple of tablespoonfuls of olive oil into a frying pan, quickly seal the pork over a medium heat and transfer using a slotted spoon to an ovenproof casserole. Add the chorizos to the frying pan, stir for a few moments and then add to the pork.