At 275°F (135°C), a medium-large russet potato usually takes about 2½ to 3 hours to bake; this recipe uses roughly 2 hours 45 minutes as its planning time. The low oven produces a tender center and a dry, lightly crisp skin, and the potato is ready when a thin knife slides easily into its center.
Ingredients
- 4 medium-large russet potatoes, 8–10 oz (225–285 g) each
- 1 tablespoon (15 ml) neutral oil, such as canola or avocado oil
- 1 teaspoon (5 g) kosher salt, or ¾ teaspoon (4 g) fine salt
- 2 tablespoons (28 g) unsalted butter, for serving, optional
- ¼ teaspoon (0.5 g) freshly ground black pepper, for serving, optional
Instructions
- Heat the oven and prepare the potatoes. Set a rack in the middle of the oven and heat it to 275°F (135°C). Scrub the potatoes under cool running water to remove any soil, then dry them thoroughly with a clean towel. Dry skins brown and crisp more readily than damp ones. Choose potatoes that are close in size so they finish at about the same time.
- Prick and season. Prick each potato 6–8 times with the tines of a fork, making shallow holes around its surface. Rub each one with a little of the oil, then sprinkle all over with the salt. The oil helps the skin become pleasantly dry and seasoned; it does not need to be a thick coating. Do not wrap the potatoes in foil, which traps steam and makes the skins softer.
- Bake until tender. Set the potatoes directly on the oven rack, leaving space between them for air to circulate. If you want to catch any drips, place a rimmed baking sheet on the rack below, not tightly around the potatoes. Bake for about 2 hours 45 minutes. Start checking at 2 hours 30 minutes: carefully press the sides with an oven mitt or insert a thin knife into the thickest part. The knife should glide in with little resistance, and the center should feel soft rather than firm. If needed, return the potatoes to the oven and check again after 10–15 minutes.
- Rest and open. Remove the potatoes from the oven and let them sit for 5 minutes. Cut a lengthwise slit through the top of each potato, then gently squeeze the ends to open it. Fluff the inside with a fork and add butter and pepper, if using. Serve while hot.
Tips
Use the clock as a guide, not a guarantee. A 7-ounce potato can finish sooner than a 10-ounce one, and potatoes with different shapes may bake unevenly even when they weigh the same. For dependable results, choose potatoes of similar size and check the thickest one first. If it is still firm in the middle, it needs more time; adding 10 or 15 minutes is better than raising the oven temperature and risking a scorched skin with an underdone center.
Keep the skins dry. After washing, dry the potatoes well before adding oil. For a drier, more delicate skin, skip the oil; the potato will still bake, though the surface will be less crisp. If you prefer an especially crisp skin, you can bake the potatoes directly on the rack and avoid covering them during cooking. A baking sheet placed below is useful for drips, but a sheet under the potatoes can reduce airflow around their bottoms.
Choose russets for a fluffy interior. Russets are starchy and tend to separate into a light, fluffy center when baked. Yukon Gold or other waxier potatoes can be used, but their flesh is usually creamier and denser, and smaller ones may cook sooner. The same 275°F method works, but judge those potatoes by tenderness rather than assuming the russet timing applies exactly.
Do not skip the fork holes or leave cooked potatoes out. Pricking lets steam escape as the potatoes heat. Once baked, serve them promptly or refrigerate them within 2 hours; do not leave them sitting at room temperature for an extended period. Foil is not necessary for baking and should not be used as a reason to hold cooked potatoes at room temperature.
Serving Suggestions
A baked potato can be served as a simple side or made into the center of a meal. For a classic finish, split it open, fluff the flesh with a fork, and add butter, salt, and pepper. A spoonful of sour cream or plain Greek-style yogurt, sliced green onion, and shredded cheddar gives it a familiar loaded-potato feel. Keep wet toppings moderate if you want the skin to stay crisp.
For a more substantial plate, serve the potato with roasted vegetables, a green salad, or cooked beans. Broccoli, sautéed mushrooms, and corn all pair well with the mild, starchy center. Set out toppings separately when serving several people so each diner can build a potato to taste. If the potatoes are small, serve one per person; especially large ones can be split and shared as a side.
Variations
Herb and garlic: Stir chopped chives or parsley into softened butter with a pinch of garlic powder, then add it after baking. Fresh garlic can burn if rubbed onto the skin for such a long bake, so use it in a topping rather than coating the raw potato.
Smoky paprika: Add ¼ teaspoon (0.5 g) smoked paprika to the salt before rubbing the potatoes with the seasoning. It gives the skin a gentle smoky flavor without changing the cooking method. Use ordinary paprika if you prefer a milder taste.
Dairy-free: Leave out the butter and use olive oil or a plant-based butter alternative at the table. Chopped scallions, salsa, or a spoonful of seasoned beans can add flavor and texture without dairy. Toppings are flexible; the baking temperature and doneness check stay the same.
Extra-crisp finish: If the center is tender but you want a firmer skin, raise the oven to 425°F (220°C) for the final 5–10 minutes. Watch closely, since ovens and potato sizes vary. This is optional; the low-temperature bake alone produces a cooked potato, but its skin is usually more dry and delicate than deeply crisp.
Storage and Reheating
Let leftover potatoes stop steaming, then refrigerate them within 2 hours of baking in a covered container. Keep them refrigerated for 3–4 days. For best texture, store them whole and add toppings only after reheating; dairy-based toppings can separate or become watery when stored on the potato. Do not leave cooked potatoes at room temperature overnight.
To reheat one potato, cut a slit in the skin and warm it in a 350°F (175°C) oven for about 20–30 minutes, until hot throughout. A microwave is quicker: cut the potato open, place it on a microwave-safe plate, and heat in short bursts, turning it as needed. Microwave timing depends on the appliance and potato size. USDA FSIS guidance is to reheat leftovers to 165°F (74°C); use a food thermometer to check the center if you need to confirm the temperature. The microwave softens the skin, while the oven helps it dry out again.
You can freeze baked potatoes, though the thawed texture may be softer and less fluffy. Cool them, wrap individually, and freeze for up to about 1 month for best quality. Thaw overnight in the refrigerator and reheat until hot throughout. If you are likely to freeze portions, consider scooping out the flesh and freezing it separately; it is convenient for later use in soups or mashed potato dishes.
Frequently Asked Questions
Is 275°F hot enough to bake a potato?
Yes. It is a low oven temperature, so the potatoes take longer than they would at 400°F or 425°F, but they will bake through when given enough time. Expect roughly 2½–3 hours for medium-large russets and check for a tender center rather than relying on time alone.
How long does a large potato take at 275°F?
A particularly large russet may need 3 hours or a little longer, depending on its weight and shape. Begin checking around 2 hours 30 minutes, then give it another 10–15 minutes at a time until a thin knife slides easily into the center. Small potatoes may be done earlier.
Should I wrap the potato in foil?
No foil is needed for this method. Foil holds moisture against the skin, which tends to make it soft rather than dry. Bake the potato uncovered on the oven rack; use a tray on the rack below if you want to catch drips.
How can I tell when the potato is done?
Insert a thin knife or skewer into the thickest part. It should pass through easily, and the potato should yield when gently pressed with a protected hand. A firm center means it needs more baking, even if the skin looks finished. Avoid squeezing bare-handed, since the potato and steam will be very hot.
Can I bake potatoes at 275°F ahead of time?
You can bake them ahead, but cool and refrigerate them within 2 hours rather than holding them at room temperature. Store covered for 3–4 days and reheat to 165°F (74°C). For the best skin, reheat in an oven rather than a microwave, then add butter and other toppings just before serving.
Why bake at 275°F instead of using a hotter oven?
A lower oven gives the potato more time to heat gradually and is useful when other food is already cooking at that temperature. The trade-off is a longer bake, and the skin may be less crisp than it would be at a higher temperature. If you need dinner sooner, use a hotter oven and follow a recipe written for that temperature rather than assuming the low-temperature timing will still work.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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