Ever wondered how restaurants make their roast potatoes so incredibly delicious? Fluffy on the inside with an unbeatably decadent crunchy exterior – magic. I know I tried a hundred different ways to get the same results at home before discovering the secret: duck fat!
Another treat from our Season of Christmas 2025 recipe series, serve these super spuds at your Christmas feast this year and just watch them disappear.
Prep time: 10 minutes
Cook time: 50 minutes
Difficulty: easy
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Ingredients
100g duck fat or ghee
1.5kg floury potatoes (Desiree, Sebago or King Edward), peeled and halved
2 sprigs rosemary
2 garlic cloves, smashed
Flaky salt, for seasoning
Method for Duck Fat Potatoes
1. Preheat oven to 200°C (fan forced). Place a large roasting tray with duck fat in the oven to heat until shimmering hot.
2. In a pot of salted cold water, bring potatoes to the boil, then simmer for 10 minutes until just tender.
3. Drain well, then return to the pot. Shake vigorously with the lid on to rough up the edges – this is what creates the crisp crust.
4. Carefully remove tray from oven. Add potatoes, rosemary and garlic, turning quickly in the hot fat to coat. Spread evenly in a single layer.
5. Roast for 40 minutes, turning once or twice, until deep golden and crisp on all sides.
6. Sprinkle with flaky salt before serving.
Handy Hints for your Duck Fat Potatoes
- Heat the fat until it’s shimmering before adding potatoes – this ensures instant sear and stops sticking.
- Don’t overcrowd the tray; the potatoes need space to crisp. Use 2 trays if necessary.
- Parboil a few hours ahead, then roast just before serving.
- For extra crunch, sprinkle a little semolina over the potatoes before roasting.
- Goose fat gives a similar luxurious flavour; olive oil is the lighter alternative.
Drinks Pairing – Bellini
Nothing makes a meal more memorable than the right drink, and this stunning White Peach & Thyme Bellini is just the right amount of fancy!
Get mixing with our recipe here.
More Christmas Dinner Inspiration
Take your spread to the next level with even more ideas for a truly memorable Christmas Dinner or Lunch.
- Cranberry Glazed Ham
- Turkey Breast Stuffed with Sage & Pancetta
- Crispy Parmesan Brussels Sprouts
- Grilled Lobster Tails
- Whole Roast Jewel Pumpkin
Discover More Seasonal Recipes from the Season of Christmas 2025 Series!
Be sure to create the Christmas feast of your dreams with the rest of our mouth-watering recipes from the Season of Christmas series for 2025.