What can be better than mashed potatoes ... Along with fresh potatoes, a good tasting fat — duck fat, chicken fat, butter, olive oil or nut oil — will give this dish a fine crusty finish.

Whether it's creamy mashed potatoes, crispy duck fat hash browns, or even a delicious duck fat potato salad, the choice is yours. Once you've prepared your favorite potato dish, all that's left to ...

This Nigella Lawson treatment produces succulent duck and duck-fat potatoes all in one. A high-sided frying pan or roasting dish is important to prevent the duck from drying out before it is cooked.