Best Roast Beef(Prime Rib) - cooking recipe

Ingredients

3 to 7 lb. standing rib roast
salt and pepper

Preparation

Rub the roast with salt and pepper.
Place fat side up in a shallow pan and roast in a preheated oven at 375\u00b0 for 1 hour.
Turn off the heat, but do not open the oven door.
No matter how long it is until dinner time, don't open door or remove roast.
Turn it on to 375\u00b0 again 30 to 40 minutes before serving time.
Does not matter about the size of roast.