Kipfler potatoes roasted in goose fat

1.Preheat oven to 180C. Boil kipflers in salted water until just cooked (13-15 minutes). Drain and transfer to a roasting pan with fat, season to taste and roast, turning occasionally, until golden (45 minutes to 1 hour). Reserve fat for another use and serve potatoes scattered with sea salt flakes with roast goose.