I normally boil my potatoes then shake them up with two tablespoons of flour, then roast in hot olive oil, and they work really well (usually!).
I've bought some goose fat to roast then for Xmas and wondered whether I can use the same method (ie hear goose fat in oven before adding potatoes, and still use flour)? The only recipe I have for using goose fat suggests adding the fat to the pan of part-boiled potatoes when I shake them up.