Use liquid dish soap and hot water for ordinary greasy pans. Dish soap contains surfactants that surround oily soil, suspend it in wash water, and let you rinse it away. Soak for about 15–30 minutes when grease is heavy or partly baked on. Use baking soda when residue remains: its mild alkalinity and fine abrasive action help loosen stuck-on deposits without the harshness of a heavy-duty solvent. Use salt mainly as a mechanical scrub for cookware that can tolerate abrasion, especially cast iron—not as your main chemical degreaser.
The pan’s material matters as much as the cleaner. Nonstick and ceramic coatings need mild soap, soft tools, and minimal pressure. Stainless steel, aluminum, cast iron, and carbon steel each tolerate different levels of abrasion and have different drying or seasoning requirements. The safest routine is to remove excess grease, wash with hot soapy water, soak instead of scrubbing harder, and escalate only when the surface-care instructions permit it.
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At a glance: choose the cleaner by soil and pan material
| Option | Primary action | Best use | Main risk |
|---|---|---|---|
| Liquid dish soap | Surfactants emulsify and suspend oil so water can carry it away | Fresh grease, oily film, and most routine washing on compatible cookware | Usually low; aggressive pads or very hot handling can still damage a coating |
| Baking soda | Mild alkalinity plus gentle fine abrasion | Stuck-on or baked-on food left after a soap wash; presoak or paste where the care instructions allow it | Rubbing can dull or scratch delicate finishes, especially with a rough pad |
| Salt | Coarser mechanical abrasion; little direct degreasing chemistry | Scrubbing suitable cookware, particularly cast iron, after excess grease is removed | Crystals and pressure can scratch nonstick, ceramic, polished stainless, or soft aluminum |
There is no dated, controlled three-way test establishing a universal winner among these household ingredients. Their practical ranking changes with the soil and the pan: dish soap is the default for oil, baking soda is the useful next step for bonded residue, and salt is an abrasion tool for surfaces that permit it.
What each option actually does
Dish soap: the chemistry that removes oil
Water alone does not readily lift a continuous film of cooking oil. Dishwashing detergent contains surfactants. The American Cleaning Institute explains that surfactants lower water’s surface tension and help emulsify or suspend oily soil, allowing it to be rinsed away. That is why a small amount of liquid detergent in hot water usually beats a dry abrasive for a freshly greasy pan.
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More foam is not proof of more cleaning. The American Cleaning Institute notes that “more suds doesn’t necessarily mean more cleaning,” although suds can signal that detergent is present in the wash water. Use enough soap to wet the pan and keep grease dispersed; adding a large squirt after the water is already cloudy does not substitute for a soak or a clean wash solution.
Baking soda: mild alkalinity and controlled abrasion
Sodium bicarbonate is a mild alkali used in hard-surface cleaners and presoak formulations. In a pan, it can help loosen food that has dried or baked onto the surface. The particles also provide gentle scrubbing action when used with a plastic or nylon pad. Baking soda is therefore most useful after the easily removable oil has been emulsified by soap, not as a replacement for detergent on a large slick of fresh grease.
A baking-soda soak, a boiling solution, or a sprinkle on a plastic scouring pad are all methods described in cookware-care guidance from the American Cleaning Institute. Whether a boiling treatment is suitable depends on the pan’s construction and the manufacturer’s instructions; never assume that every coated or bonded pan can be boiled.
Salt: friction rather than degreasing chemistry
Salt crystals can act like a coarse scrub. Whirlpool and KitchenAid describe salt for stuck-on grime and cast-iron scrubbing, but neither presents it as the primary chemical degreaser for routine oily film. Salt may help dislodge particles after grease has been wiped out, yet it does not provide the surfactant action that makes dish soap effective against an oil layer.
Because the crystals are relatively coarse, pressure and repeated passes can leave scratches. Treat salt as a material-specific mechanical option, not a universally safe “natural” cleaner.
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Match the method to the type of grease
Fresh oil or a thin greasy film
Wipe or scrape excess grease into the trash first. A small amount of oil sent down a drain can cool and adhere inside plumbing, while food scraps can contribute to a blockage. Add hot water and liquid dish soap, work the detergent across the surface with a soft sponge or cloth, then rinse. If the pan still feels slick, change the wash water and repeat rather than reaching immediately for salt.
Grease that has dried but is not strongly bonded
Use the same soap-first routine, but let the pan soak for about 15–30 minutes. The American Cleaning Institute gives that range for stuck-on food and recommends washing and rinsing after the soak. Soaking replaces force with time: softened residue requires less rubbing and therefore presents less risk to a finish.
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After the soap wash, inspect the remaining spots. If they are brown, hard, or strongly attached, use baking soda with a plastic or nylon pad when the pan’s care instructions permit it. A presoak or baking-soda solution can loosen deposits before you wipe them away. Do not use a metal pad merely because the residue is stubborn; a harder tool can remove a coating or leave permanent scratches.
Very durable, discolored, or polymerized deposits may require a purpose-made cookware cleaner. In comparative testing of several cleaners for stubborn cookware discoloration, America’s Test Kitchen reported that Bar Keepers Friend and Cameo outperformed dishwashing liquid, SOS pads, and home remedies such as baking soda. That result concerns the specific test soils and products, not a guarantee for every pan. Follow the cleaner label and the cookware maker’s compatibility rules, and test an inconspicuous area when the instructions allow.
Safe workflow for a greasy pan
- Check the care instructions. Confirm whether the pan may be submerged, soaked, boiled, or scrubbed. Some manufacturers specifically prohibit immersion or abrasive tools.
- Cool the cookware enough to handle safely. Do not pour cold water into a very hot pan if the maker warns against thermal shock, and avoid handling hot grease directly.
- Remove excess food and oil. Scrape solids and wipe liquid grease into the trash. Do not flush a heavy layer of fat down the drain.
- Prepare a hot, soapy wash. Add hot water and liquid dish soap. Use a soft sponge, cloth, or other tool listed as safe for the surface.
- Soak when needed. Leave greasy or stuck-on cookware for approximately 15–30 minutes. Keep the pan submerged only if its instructions allow it.
- Wash with light pressure. Work from the cleanest areas toward the dirtiest, rinsing the sponge so you do not redistribute loosened grease.
- Rinse completely. Remove detergent and suspended soil under running water or with several changes of clean water.
- Dry promptly. Dry all cookware; cast iron and carbon steel require particular attention because lingering water can promote rust.
- Escalate only for residue that remains. Apply baking soda and a plastic or nylon pad if permitted. Reserve salt for cookware that can safely tolerate its coarser abrasion.
Cleaning is not the same as sterilizing. The Centers for Disease Control and Prevention stated in 2025 that, in most situations, cleaning with soap and water can remove most germs, including harmful viruses or bacteria, from surfaces. For a household pan, thorough soil removal, rinsing, and drying are the relevant everyday steps; do not claim that baking soda or salt disinfects cookware.
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Pan-by-pan guidance
Nonstick cookware
Start and usually finish with liquid dish soap, hot water, and a soft sponge. Soak for 15–30 minutes rather than scraping hard. Avoid salt, scouring powders, steel wool, metal spatulas, and abrasive pads unless the manufacturer explicitly approves them. Baking soda is not automatically safe simply because it is mild: its particles can still dull or scratch a coating when rubbed. If food remains after a soap soak, use only the non-abrasive method named in the care instructions.
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Ceramic-coated cookware
Ceramic coatings also favor mild detergent and soft tools. Use a soap soak to soften grease, then wipe gently. Avoid coarse salt and aggressive pads unless the manufacturer lists them as compatible. Baking soda may be appropriate for a specific model, but the permission must come from that pan’s care guidance rather than from the ingredient’s reputation as a gentle cleaner.
Stainless steel
Stainless steel generally tolerates more scrubbing than a coated pan, but the finish can still be scratched or dulled. Remove oil with dish soap first. For baked-on spots, a baking-soda soak or plastic/nylon pad can reduce the need for force. If a manufacturer-approved stronger cleaner is needed, follow its label and rinse thoroughly. Use salt only when you accept the possibility of visible scratching on a polished finish and the care instructions permit coarse abrasion.
Aluminum
Use detergent and a soft tool as the baseline. Aluminum can show marks from aggressive abrasives, and some cleaners can change its appearance. A baking-soda treatment should be limited to what the cookware maker permits; do not improvise a prolonged boiling treatment on an aluminum pan without checking the instructions. Avoid coarse salt scrubbing on visible or polished surfaces.
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Cast iron
Cast iron has a seasoning layer that changes the cleaning decision. Remove excess grease, then use hot water and a suitable amount of dish soap if needed; modern cast-iron care guidance does not make a small amount of detergent inherently forbidden, but the pan must be dried promptly. Salt can be useful as a mechanical scrub for stuck-on particles when the seasoning and manufacturer guidance permit it. Baking soda may help with residue, but prolonged soaking can leave cast iron vulnerable to rust, so keep any soak brief and dry immediately.
After washing, place the pan on heat or otherwise dry it completely according to its care instructions. If the maker calls for maintaining the seasoning, apply the specified light oiling routine only after the surface is dry; do not leave a wet, salty, or soapy film behind.
Carbon steel
Carbon steel is handled much like cast iron in this context: remove excess grease, wash efficiently, avoid unnecessary immersion, and dry immediately. Salt can provide controlled mechanical scrubbing on suitable seasoning, while a soap soak should be short and permitted by the maker. For baked-on residue, soften first rather than attacking the seasoning with a metal pad. Follow the pan’s seasoning instructions after cleaning.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When salt is useful—and when it is the wrong choice
Salt makes sense when the problem is a small amount of stuck food on a surface designed for mechanical scrubbing. A cast-iron skillet is the common example: after wiping away oil, a modest amount of salt can provide friction while you scrub with a compatible cloth or brush. Discard the dirty salt, wash or wipe according to the pan’s instructions, and dry promptly.
Salt is a poor first choice for a broad greasy film because it does not emulsify oil. You would be trying to grind an oily layer across the surface, which increases mess and can increase scratching. It is also a poor choice for nonstick and ceramic coatings, and risky on polished stainless steel or soft aluminum. If you cannot identify the surface’s abrasion tolerance, choose dish soap and a soft tool instead.
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Common mistakes and how to correct them
- Scrubbing before soaking: Stop, add hot soapy water, and wait 15–30 minutes when the instructions allow. The softened soil should need less pressure.
- Using salt on a coated pan: Rinse away the crystals and switch to a soft sponge. Check for scratches; salt cannot be made non-abrasive by adding more water.
- Assuming baking soda replaces detergent: For a fresh oil film, wash with liquid dish soap first. Use baking soda for the residue that remains.
- Using a metal pad on baked-on grease: Stop before the finish is damaged. Try a permitted baking-soda treatment or a labeled cookware cleaner instead.
- Leaving cast iron or carbon steel wet: Dry immediately and follow the pan’s seasoning directions. Water trapped in pores or under residue can encourage rust.
- Soaking a pan that should not be submerged: Empty it and clean with a damp, soapy cloth or the method specified by the manufacturer.
- Pouring grease into the drain: Wipe or scrape it into household waste first, then wash the remaining film.
- Judging cleaning power by foam: Suds are only a signal that detergent is present. Evaluate whether the surface is actually free of oil after rinsing.
Troubleshooting by what you see after washing
The pan still feels slippery
Residual oil usually means the wash water was overloaded or the detergent did not contact the entire surface. Wipe out the pan, use fresh hot water and dish soap, and wash again with a clean sponge. A longer soak is preferable to harder scrubbing.
Brown or black patches remain
These may be baked-on or polymerized deposits rather than ordinary grease. Use a permitted baking-soda soak or a plastic/nylon pad. If the manufacturer allows a purpose-made cleaner, follow that label. Do not infer that a dark mark is removable without risk; on some finishes it may be discoloration or damage.
The surface looks cloudy after scrubbing
Stop using abrasives. Cloudiness can reflect residue, finish change, or scratching. Rinse thoroughly, dry, and compare the area with an untouched section. For coated cookware, discontinue abrasive methods and consult the care instructions.
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There is a smell after cleaning
Odor often indicates an oil film trapped in a seam, handle joint, or textured area. Repeat the soap wash with fresh water and a soft brush that the manufacturer approves. Do not mask the smell with additional salt or an unapproved chemical.
How to decide in 10 seconds
- Fresh oily film: liquid dish soap plus hot water.
- Stuck food after washing: soak 15–30 minutes, then try baking soda with a permitted plastic or nylon pad.
- Cast-iron residue and the care guide permits abrasion: salt can provide mechanical scrubbing; dry the pan immediately.
- Nonstick or ceramic surface: mild soap and soft tools; avoid salt and unapproved abrasives.
- Severe discoloration or polymerized buildup: use a cookware cleaner only if its label and the pan’s instructions agree.
- Unknown material or conflicting advice: follow the pan manufacturer’s instructions over a generic household tip.
What the evidence can—and cannot—say
Cleaning guidance consistently supports a soap-first process, a 15–30 minute soak for stuck-on food, and baking soda as an option for residue when the surface permits it. Whirlpool and KitchenAid support salt as a scrub for appropriate cookware, particularly cast iron, rather than as a routine grease-dissolving agent. America’s Test Kitchen’s comparative cleaner testing shows that commercial products can outperform dishwashing liquid, SOS pads, and home remedies for some stubborn discoloration, but it does not create a universal ranking for every pan, soil, or finish.
In practical terms, the safest effective progression is controlled: remove excess grease, use surfactant chemistry, add time through soaking, then add only as much abrasion or specialized cleaner as the material can tolerate.
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