Duck Fat Roasted Potatoes are the ultimate comfort food! These crispy-on-the-outside, fluffy-on-the-inside potatoes are everything you want from a roast potato and more.
Duck fat adds an irresistible richness and depth of flavor that turns an everyday side dish into something truly special. Roasting potatoes in duck fat isn't just about flavor but also texture. Duck fat has a high smoke point, which helps you achieve that golden, crunchy crust while keeping the centers soft and pillowy. It's the kind of side dish that has everyone reaching for seconds (or thirds).
I'm sharing all my tips and tricks to ensure your roast potatoes are perfect every time! From selecting the right kind of potato to achieving that perfect crispy gnarly finish, let me show you how to make the crispiest, most delicious roasted potatoes you've ever tasted!
Ingredient Notes
These notes are here to help make this recipe a success; they cover some but not all ingredients. For a complete ingredient list, check out the recipe card below.
Potatoes: The type of potatoes you buy makes so much difference to the finished result. Go for Russet, Maris Piper, or Sebago (the dirt-covered one). They all have the right balance of sugar and starch to give you fluffy, creamy insides with crispy, crunchy outsides.
Salt: There seems to be a lot of salt, but this flavors the whole potato, and most is poured away in the water. I promise these aren't salty, just really flavored.
Baking powder: This is the secret ingredient! It turns the water slightly alkaline and helps the potato edges get fluffy. This creates a gnarly outside, which crisps up so wonderfully.
Duck fat: This is available in larger grocery stores, especially around the holidays. It lasts for so long and is a wonderful fat to use. It is solid in the tub in the fridge but still soft enough to easily scoop. It has a high smoke point, so you can get it super hot and crisp the potatoes.
Recipe Tips
We've tested this recipe at least 3 times to ensure it works well for you. Have a look at our tips for getting the best dish you can!
- Picking the right potato is the most important recipe tip! As mentioned above, go for Russet, Maris Piper, or Sebago.
- Peel the potatoes and cut them into large chunks. I go for 4 chunks from a large potato and 3 from a medium potato. Larger chunks give you a better crunchy outside-to-soft inside ratio.
- Add the potatoes to boiling water. This starts the outside cooking before the inside gets hot, so you get a softer outside and, thus, more crusty bits at the end of cooking.
- Put the fat in the oven to heat up when the potatoes are boiling. Hot fat gives you the best results.
- The potatoes are parboiled. So this means they are not completely tender but are almost there. Don't worry about the fork/knife test. Just go on time for this one.
- Once you have drained the potatoes, let them sit and steam dry for 5 minutes. This ensures they are dry when you add them to the oil.
- Be careful with the hot oil!!!! There is quite a lot of it; if you tip the potatoes in from a height, it can splash. Slowly pour the potatoes into the oil. And if you have long oven mitts, use them to protect your forearms. (Trust me on this one! It is a painful experience!)
- Once the potatoes are in the pan, carefully turn them over in the oil so they are all coated. You can also use a spoon to baste them all over.
- Let the potatoes cook for at least 25 minutes before removing them and turning them over using a thin metal spatula. If you try to turn them too soon, they will break apart.
- The age of the potato makes a difference in cooking time. An older potato has less sugar and more starch, and it takes longer to get brown on the outside.
Why You'll Love These Duck Fat Roasted Potatoes
- They are the best roast potatoes you will ever eat.
- They are a home cook classic elevated up.
- They are straightforward to make.
- They go with nearly every meal.
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Serving Suggestions
You can serve these potatoes with so many dishes. They are perfect with a roast chicken or as part of a holiday feast. They work wonderfully with a great steak or are perfect with a simple Chicken and Gravy or Garlic Butter Chicken. Or try them with something creamy like Marry Me Salmon.
They are also great as a TV snack with some mayo or ketchup!
Enjoy x
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Get the Recipe
Duck Fat Roasted Potatoes
Ingredients
- 4½ lb potatoes (see note 1)
- 5 tablespoon duck fat (see note 3)
- 1½ tablespoon salt
- ½ teaspoon baking powder (see note 2)
Instructions
- Peel the potatoes, then cut large ones into 4 and medium ones into 3. If you have small potatoes, cut them in half.4½ lb potatoes
- Preheat oven to 450ºF 230°C.
- Put the duck fat into a heavy metal roasting pan (see note 4) and place it in the oven.5 tablespoon duck fat
- Bring a large pan of water to the boil. Add the salt and baking soda.1½ tablespoon salt½ teaspoon baking powder
- Add the potatoes and cook for 10 minutes.
- Drain the potatoes.
- Let the potatoes sit for 5 minutes to dry off, and then give them a good shake to rough up the outer surface. If a few bits break off, it is okay.
- Remove the hot roasting pan from the oven and carefully and quickly add the potatoes to the fat. (see note 5)
- Carefully turn them over in the oil so they are all coated. You can also use a spoon to baste them all over.
- Roast for 25 minutes, then use a thin metal spatula to turn the potatoes; roast for 20 minutes, then turn again and roast for 15 minutes more.
- By now, the potatoes should be golden and crispy.
- If they aren't, then give them 10 minutes longer. (see note 6)
- Remove from the oven and serve immediately.
Notes
- The type of potatoes you buy makes so much difference to the finished result. Go for Russet, Maris Piper, or Sebago (the dirt-covered one). They all have the right balance of sugar and starch to give you fluffy, creamy insides with crispy, crunchy outsides.
- Baking powder is also known as bicarb, bicarbonate of soda, and sodium bicarbonate.
- Duck fat is available in larger grocery stores, especially around the holidays. It lasts for so long and is a wonderful fat to use. It is solid in the tub in the fridge but still soft enough to easily scoop. It has a high smoke point, so you can get it super hot and crisp the potatoes.
- Use a heavy-based roasting tin for best results. The flimsy ones don't give you such crispy potatoes. Don't use ceramic or glass roasting dishes as they cannot withstand the high heat we are using.
- Be careful with the hot oil!!!! There is quite a lot of it; if you tip the potatoes in from a height, it can splash. Slowly pour the potatoes into the oil. And if you have long oven mitts, use them to protect your forearms. (Trust me on this one! It is a painful experience!)
- The age of the potato makes a difference in cooking time. An older potato has less sugar and more starch, and it takes longer to get brown on the outside.
Nutrition
Nutrition is per serving
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