Gratin Parmentier (Slideshow version)
Stage 11/11 : 20 min.
...for about 20 minutes, finishing under the grill, if necessary, to brown the top nicely.Remarks
It is not essential to fry the potatoes if they are already cooked, but this does give a much better flavour.You do not need to use beef, so use whatever meat you prefer or have to hand.