- 2kg King Edward potato
- 6 tbsp goose fat
- 2 tbsp plain flour
- flaky salt
- ½ tbsp black peppercorns, crushed
- 6 tbsp vegetable oil
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Cut the potatoes into halves, quarters, or eighths if really large – you want to end up with even-sized 5cm pieces. Put the potatoes in a large pan of salted water. Bring to the boil, then simmer for 8-10 mins, until the outsides start to soften. To check, try scraping a potato with a fork – it should be easy to make a mark but you shouldn’t be able to slide it into the flesh. Drain really well, then shake in the pan to rough the potatoes up a bit. Add the goose fat and toss until coated. Chill until roasting. The potatoes will keep in the fridge for 3 days.
Heat oven to 180C/160C fan/gas 4. Toss the potatoes with the flour, salt and crushed peppercorns (see below).
Place the oil in a roasting tin large enough to hold all the potatoes in one layer and heat in the oven for 5 mins. Quickly tip the potatoes in and return to the oven. Cook for 30 mins, turning once. When the turkey comes out of the oven, increase the heat to 200C/180C fan/gas 6. Cook for 30-40 mins more or until crisp all over (you can do this while the turkey is resting). Sprinkle with salt to serve.
The secret to perfect roast potatoes is to use goose fat for flavour plus vegetable oil to keep them nice and crisp.