Baked Potatoes with Olive Oil and Salt: The Method and Why It Works
Baked potatoes with olive oil and salt are about as simple as cooking gets: a scrubbed floury potato, a thin film of oil, a scattering of coarse salt and a hot oven. Done well, you get a skin that crackles when you cut it and a centre as light as mashed potato. Done badly, you get a leathery jacket around a dense, damp middle. The difference comes down to four things: the right potato, a dry surface, enough heat for long enough, and knowing when the inside is actually cooked. Below is our own method, written for this article with metric and US measures and oven temperatures in °C and °F, followed by what the olive oil and the salt are really doing, whether extra virgin olive oil belongs in a hot oven, and what the UK Food Standards Agency says about browning starchy foods.
For our own oil, see our Cold-Pressed Single-Estate Extra Virgin Olive Oil - Marrakech (500ml).
The Short Answer
- Choose floury baking potatoes (Maris Piper or King Edward in the UK, russets in the US), scrub them, then dry them completely before the oil goes on; a wet skin steams instead of crisping.
- Rub each potato with about ¾ tsp of extra virgin olive oil and roll it in coarse salt. The oil helps the skin brown evenly and crisp; the salt seasons it and adds crunch.
- Bake unwrapped at 220°C (200°C fan) / 425°F / gas mark 7 for about 55–70 minutes for medium potatoes of 250–300g (9–10oz), longer for large ones.
- A baked potato is done when the centre reaches roughly 96–99°C (205–210°F) on a probe thermometer, or when a skewer slides in with no resistance and the skin feels firm and dry.
- Cut it open straight away to let the steam out, then finish with a spoonful of extra virgin olive oil and flaky salt in place of butter.
- Extra virgin olive oil is fine in a hot oven: a thin film on a potato skin behaves very differently from oil in a dry pan. The UK Food Standards Agency's general advice on starchy foods is to aim for a golden colour rather than dark brown.
Ingredients and Equipment (Metric and US)
This makes four baked potatoes. The quantities scale simply: allow one potato per person and about a teaspoon of oil in total per potato, split between the rub and the finish.
| Ingredient | Metric | US |
|---|---|---|
| Floury baking potatoes, similar size | 4 × 250–300g | 4 × 9–10oz |
| Extra virgin olive oil, for rubbing | 15ml (1 tbsp) | 1 tbsp |
| Coarse sea salt or kosher salt | about 1 tsp | about 1 tsp |
| Extra virgin olive oil, to finish | 20ml (4 tsp) | 4 tsp |
| Flaky salt and black pepper, to finish | to taste | to taste |
Equipment: a small, sharp knife or fork for pricking, a wire rack set over a baking tray (or simply the oven shelf with a tray on the shelf below to catch drips), and ideally an instant-read probe thermometer.
Oven: 220°C conventional, 200°C fan, 425°F, or gas mark 7. If your oven runs hot, or the potatoes are small, 200°C (180°C fan) / 400°F works too; allow a little longer.
Method: How to Bake a Potato with Olive Oil and Salt
- Heat the oven to 220°C (200°C fan) / 425°F / gas mark 7, with a shelf in the middle.
- Scrub and dry. Scrub the potatoes under cold water to remove any soil, then dry them thoroughly with a clean tea towel. Leave them on the worktop for a few minutes if you have time; the drier the skin, the better it crisps.
- Prick. Pierce each potato three or four times, about 1cm (½in) deep, so steam has a way out.
- Oil and salt. Put the potatoes in a bowl with the tablespoon of olive oil and turn them with your hands until every surface has a thin, even sheen, with no pooling. Sprinkle the coarse salt over and roll them so it sticks all over.
- Bake unwrapped. Set the potatoes on the wire rack over the tray, or directly on the oven shelf, with space between them. Bake for 55–70 minutes for 250–300g (9–10oz) potatoes, or 70–80 minutes for potatoes of 350g (12oz) or more.
- Check doneness. The skin should be firm, dry and crisp to the touch, a skewer should slide into the thickest part with no resistance, and a probe in the centre should read about 96–99°C (205–210°F). If not, give them another 10 minutes and check again.
- Open and finish at once. As soon as they come out, cut a deep cross in the top of each potato and squeeze the base gently so the flesh rises and the steam escapes. Spoon about a teaspoon of extra virgin olive oil into each, add flaky salt and pepper, and serve.
Two practical notes. Potatoes of very different sizes will not finish together, so either buy them evenly sized or take the small ones out first. And if you are short of time, a few minutes in the microwave before the oil and salt go on will shorten the oven time, at some cost to the skin, which has less time to dry out and crisp.
Why It Works: What the Oil, the Salt and the Dry Heat Each Do
A baked potato is really two cooking jobs at once. The inside needs to get hot enough, for long enough, for its starch to cook through and turn fluffy. The outside needs to lose its moisture and brown so that it turns into a crisp shell rather than a soft wrapper. Every step in the method serves one of those two jobs.
The potato: why floury varieties bake best
Floury potatoes such as Maris Piper, King Edward and the American russet are higher in starch and lower in moisture than waxy varieties such as Charlotte or small red-skinned potatoes. As they cook, the starch absorbs the potato's own water and swells, and the cells separate easily, which is what gives a baked potato its light, crumbly centre. Waxy potatoes hold their shape instead, which is ideal in a salad and disappointing in a jacket.
The olive oil: an even film for even browning
A thin coat of oil helps the heat of the oven reach the whole surface of the skin evenly, so it browns and crisps all over rather than in patches, and it carries flavour. Extra virgin olive oil adds a faint fruity, peppery note that butter or a neutral oil does not. The amount matters more than people expect: a light sheen crisps, while a thick coating tends to leave the skin greasy and chewy.
The salt: seasoning and crunch on the outside
Coarse salt sticks to the oiled skin and stays there as it bakes, so the skin itself is seasoned and has a little crunch. It seasons the outside only; very little reaches the flesh, which is why the finishing pinch of flaky salt after you open the potato still matters.
No foil: why wrapping works against you
Wrapping a potato in foil traps the moisture leaving it, so the skin effectively steams and ends up soft. That is fine if you want a soft jacket, for a barbecue for instance, but it is the opposite of what oil and salt are there to achieve. Baking the potato bare on a rack lets hot air circulate all the way round, which is what dries and crisps the skin.
Oil at the Start or Oil at the End?
This is the one genuine disagreement among serious cooks, and it is worth knowing both sides. Most home recipes oil and salt the potato before it goes in, as we do. America's Test Kitchen, whose testing is widely followed in the US, takes a different route: it salts the potatoes first and brushes them with oil only near the end, then returns them to the oven for about ten minutes, on the grounds that oil applied at the start can leave the skin rubbery.
| Approach | What you get | Best when |
|---|---|---|
| Oil and salt at the start (our method) | Evenly browned, well-seasoned skin with a light crunch; one step, no handling a hot potato | Everyday baked potatoes; you want the simplest route |
| Salt at the start, oil brushed on for the last 10 minutes | A drier, more brittle, crackly skin | You want the crispest possible shell and do not mind an extra step |
| No oil, salt on a damp skin | A dry, matte, chewier skin; less flavour | You are avoiding added fat entirely |
| Wrapped in foil | Soft, steamed skin | Barbecue or campfire cooking |
Our view, for what it is worth: both of the first two methods produce a very good potato, and the difference shows mainly in the skin's texture. Whichever you choose, the larger share of the olive oil's flavour comes from the spoonful added after the potato is opened, because that oil is not heated at all.
Is Extra Virgin Olive Oil Too Good (or Too Delicate) for the Oven?
Two objections come up again and again. The first is that 220°C is above the smoke point usually quoted for extra virgin olive oil, roughly 190–210°C for a fresh oil. The second is that it seems a waste to put good oil in an oven at all.
On the first, the oven air temperature is not the temperature of the oil. A thin film on a potato skin sits on a surface that is losing water for much of the bake, and evaporation keeps that surface well below the air around it. In practice a lightly oiled potato does not smoke. Heating research also suggests that extra virgin olive oil is more stable under heat than its smoke point implies, because it is mostly oleic acid, a monounsaturated fat that resists oxidation, and it carries natural antioxidants; our article on olive oil at high heat walks through that evidence and its limits.
On the second, the rub is only about ¾ tsp per potato, a small amount of a 500ml bottle, and it buys a better-browned skin with a little more flavour. If you want to keep your best oil for where it shows most, use any decent oil for the rub and save the extra virgin for the finishing spoonful, where its aroma and its polyphenols arrive unheated.
Getting the Colour Right: Browning and Acrylamide
Acrylamide is a compound that forms when starchy foods such as potatoes are fried, roasted or baked at high temperatures, and it is the reason a sensible reader might hesitate over a deeply browned skin. The UK Food Standards Agency's advice for home cooking is practical rather than alarming: when frying, baking, toasting or roasting starchy foods, aim for a golden yellow colour or lighter, and follow the cooking instructions on the pack for packaged foods such as chips.
For a baked potato, that translates into simple habits: bake at a steady temperature rather than blasting the potatoes at the oven's maximum, take them out when they are cooked rather than leaving them in "to be safe", and do not eat any charred or very dark patches. The FSA also says you can store raw potatoes either in the fridge or in a cool, dark place, so there is no need to worry about where yours were kept before baking.
On nutrition more broadly, a baked potato with its skin on is a filling, everyday food, and swapping a knob of butter for a spoonful of olive oil changes the fat from mostly saturated to mostly monounsaturated. That is a reasonable swap within a balanced diet; it does not turn a potato into a health food, and we would be wary of any recipe that claims otherwise.
Variations: Wedges, Smaller Potatoes, Air Fryer and Toppings
The same oil-and-salt principle works across the potato family. These are starting points, so watch the colour and adjust the timing.
- Olive oil potato wedges: cut each 250–300g (9–10oz) potato into 8 wedges, toss with 2 tsp extra virgin olive oil per potato and a good pinch of salt, and roast in a single layer at 220°C (200°C fan) / 425°F for 30–40 minutes, turning once, until golden.
- Smaller potatoes: 150–200g (5–7oz) potatoes take roughly 40–50 minutes at the same temperature; check with a skewer from 35 minutes.
- Air fryer: oil and salt as above and cook at around 200°C / 400°F for 40–50 minutes for medium potatoes, turning halfway. Air fryers vary, so treat the probe reading as the real test. Our guide to olive oil in an air fryer covers how much oil to use.
- Sweet potatoes: bake the same way at 200°C (180°C fan) / 400°F; they are done sooner, usually 45–60 minutes, when soft right through. Put a tray under them, as they leak sticky juices.
- Dairy-free toppings: olive oil, flaky salt and black pepper; garlic warmed gently in olive oil; chopped herbs and lemon zest; spiced chickpeas; or a spoonful of hummus or tahini sauce.
Which Olive Oil to Use, and How Much It Matters
For the rub, any genuine extra virgin olive oil that tastes clean is fine; you need a teaspoon or less per potato, and the oven softens its character. For the finish, the oil matters much more, because it is eaten as it is. Look for an oil with a clear extra virgin grade, a harvest or best-before date you can check, dark glass or a tin to protect it from light, and a named origin. Our guide to choosing a quality olive oil explains what to look for on the label, and what "extra virgin" actually means is covered in its own article.
One thing to avoid is a stale bottle. Olive oil that has been open in a warm, bright kitchen for months can smell of crayons or old nuts, and that flavour shows up plainly on a hot potato. If in doubt, smell it before it goes on.
Why Sidr & Stone
On a baked potato, the finishing spoonful of olive oil is the part you taste most, which is why the oil you choose for it is worth a moment's thought. Sidr & Stone's extra virgin olive oil comes from one place, our own farm on the plains outside Marrakech, and we control every step from tree to bottle.
- Single-estate: Sidr & Stone's olive oil comes from our own family-owned farm near Marrakech, Morocco, with no blending across origins.
- Rain-fed: the trees are not irrigated; they take what the season gives.
- Organically grown: no synthetic fertilisers, pesticides or herbicides are used (not yet certified; certification is in progress).
- Single harvest: each batch is small and limited, picked when the fruit is ready; once it is gone, it is gone until the next harvest.
- Cold-pressed: to protect flavour, aroma and polyphenols.
- Unfiltered extra virgin: minimally processed, so a little natural sediment at the bottom of the bottle is normal.
- 100% natural: a single ingredient, olive oil, with nothing added.
- Dark glass with a gold label: 500ml bottles that protect the oil from light.
- 10% of profits to charity: a Sidr & Stone commitment across every product.
- Fulfilment in the UK, EU and US.
We will not tell you ours is the best olive oil for a baked potato; your own kitchen can judge that. What we will say is that it is single-estate Moroccan, rain-fed, organically grown and cold-pressed, and that on a dish this plain, those details are easy to taste.
Frequently Asked Questions
How long do baked potatoes with olive oil take?
At 220°C (200°C fan) / 425°F, medium potatoes of 250–300g (9–10oz) take about 55–70 minutes, and large potatoes of 350g (12oz) or more take 70–80 minutes. Size matters more than anything else, so check with a skewer or thermometer rather than relying on the clock.
Why rub olive oil on a potato before baking?
A thin film of oil helps the skin brown evenly and crisp, and it helps the salt stick. Extra virgin olive oil also adds a little fruity flavour. Use only a light sheen; too much oil makes the skin greasy rather than crisp.
How do I know when a baked potato is done?
The skin should feel firm and dry, a skewer should slide into the centre with no resistance, and a probe thermometer in the thickest part should read about 96–99°C (205–210°F).
Should I wrap baked potatoes in foil?
Not if you want a crisp skin. Foil traps steam, so the skin softens. Bake the potatoes unwrapped on a rack or directly on the oven shelf so hot air can reach every side.
Is Sidr & Stone's olive oil good for baked potatoes?
Yes. It is a single-estate, cold-pressed, unfiltered extra virgin olive oil, and it shows best as the finishing spoonful on an opened potato, where its flavour is tasted unheated.
Can I use extra virgin olive oil at 220°C?
Yes, for a baked potato. The thin film of oil on a moist potato skin stays well below the oven air temperature for most of the bake, and extra virgin olive oil is more heat-stable than its smoke point suggests. Keep the colour golden rather than dark.
Where can I buy single-estate extra virgin olive oil?
Our Cold-Pressed Single-Estate Extra Virgin Olive Oil - Marrakech (500ml) is available directly from the Sidr & Stone website, with fulfilment in the UK, EU and US.
Is olive oil a medicine?
No. Olive oil is a food, not a medicine. It has a long traditional history — including being honoured in the Prophetic Sunnah — and a substantial body of modern research, particularly around polyphenols, cardiovascular health, and the Mediterranean diet pattern. It can be a worthwhile part of a healthy routine, but it does not cure diseases and is not a substitute for medical care. Be cautious of any olive oil marketed with specific disease-cure claims.
Final Thoughts
A good baked potato needs no tricks: a floury potato, a dry skin, a light rub of olive oil and coarse salt, a hot oven, and the patience to wait until the centre is genuinely cooked. Open it the moment it comes out, let the steam go, and the texture takes care of itself.
Where the olive oil really earns its place is at the end, spooned into the hot flesh with a pinch of flaky salt. That is where a fresh, well-made extra virgin oil stops being a cooking fat and becomes the seasoning. Our Cold-Pressed Single-Estate Extra Virgin Olive Oil - Marrakech (500ml), single-estate, rain-fed and cold-pressed, is available to pre-order now as a limited single-harvest batch, with fulfilment in the UK, EU and US.
Our extra virgin olive oil is grown organically on our own single-estate farm on the plains outside Marrakech: we control every step from tree to bottle, and no synthetic pesticides, herbicides or fertilisers are used. It is not yet certified organic — certification is in progress, and we will publish it as soon as it comes through.
Disclaimer: This article shares a home-cooking method and general cooking information at the time of writing; ovens, potato sizes and individual dietary needs vary, and published food-safety guidance may change, so readers should check current sources. Olive oil is a food, not a medicine, and is not a substitute for medical treatment of any condition. For any health concern, consult a qualified medical professional.