Instant Pot Smells Like Last Night's Dinner? Reset It, Keep a Spare
The silicone sealing ring soaks up food odors. Steam and wash it to reset, then keep a spare ring so curry night does not follow you to breakfast.
By Jamilur Rahman Updated November 5, 2026 · 6 min read
- Time
- 20 min
- Cost
- Under $20
- Difficulty
- Easy
In this guide
Quick answer
If your Instant Pot smells like last night's dinner, or the last meal you cooked, the silicone sealing ring is almost always the cause, because silicone soaks up food odors. Wash the ring, lid and steam vent, run a short steam clean with lemon or vinegar and water, and air the parts out. A spare ring, one for savory food and one for sweet, stops the smell moving from meal to meal.
Free fix vs. permanent fix
Wash, steam and air out
- Pull out the ring and wash it in warm soapy water
- Steam the pot with water and lemon peels or a splash of vinegar
- Leave the ring in fresh air or sunlight for a few hours
- Wash the lid and the anti-block shield too
How long it lasts: Until the next strong meal. Silicone soaks up odors again, so curry or chili can leave a mark within a few cooks.
A spare silicone sealing ring set
Washing resets a ring, but food odors soak back in at the next strong meal. With two rings, one stays for savory dishes and one for plain or sweet ones, so odors stop crossing over, and one is always fresh while the other airs out.
What to get: Silicone sealing ring set, sized to your pot
How long it lasts: Years of use, if you rotate the rings and replace them as they wear.
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What you'll need
-
Dish soap and a soft sponge
For the ring, lid and inner pot
You have it -
Lemon peels or white vinegar
For the steam clean
You have it -
Baking soda
For soaking a stubborn ring
You have it -
Old toothbrush
For the lid groove and steam valve area
You have it - Our pick Illustration
Spare silicone sealing ring set
Match your pot's size and model
Why it happens
Silicone absorbing food oils
Silicone is slightly porous. Oils from curry, garlic, onion and fish seep in, and the ring gives them back whenever it heats up.
Food trapped around the lid
Bits of food hide in the steam release valve, under the anti-block shield and in the groove that holds the ring.
Storing the lid closed while damp
A closed lid with a damp ring traps moisture, which gives a sour or musty smell.
A new pot or a new ring
New parts often smell like plastic or rubber for the first few uses until they are washed and steamed.
Try this first (free)
Do these in order, starting with the simplest.
-
Take the lid apart
Pull out the sealing ring and the anti-block shield, the small metal cap over the steam valve. Both lift out with a firm pull. Check your manual for the steam release handle.
-
Wash the ring and lid by hand
Tool used: Dish soap and a soft spongeUse warm soapy water and a soft sponge. Many manuals allow the top rack of the dishwasher for the ring, so check yours.
-
Scrub the grooves
Tool used: Old toothbrushUse an old toothbrush on the groove that holds the ring and around the valve, where food hides.
-
Soak a stubborn ring
Tool used: Baking sodaLeave the ring for an hour or two in warm water with a few tablespoons of baking soda, then rinse well.
-
Steam clean the pot
Tool used: Lemon peels or white vinegarAdd a cup of water and a few lemon peels or a splash of vinegar. Close the lid with the ring in place and run a short steam or pressure cycle of a few minutes, following your manual. Let the pressure release naturally.
-
Air it out
Dry the ring in open air, ideally in sunlight, for a few hours. Store the lid upside down on the pot so air can move through.
When free fixes aren't enough
A reset works, but silicone is porous, and a ring that has cooked many strong meals will smell the moment it heats up. If the smell returns after a good reset, or the ring is stained, stretched, cracked or no longer grips the lid, replace it. A worn ring can also stop the pot from sealing. Many owners replace the ring about once a year. If you cook curry, chili or fish and also oatmeal or yogurt, keep two rings. If you smell hot or burning plastic, or see a melted spot, unplug the pot, let it cool and stop using it.
Buy the fix
Still stuck after the free fixes? These are the products we would look at.
| Pick | Product | Fixes | Who it's for | Buy |
|---|---|---|---|---|
| Best pick | Silicone sealing ring set, sized to your pot | odors carrying over from one meal to the next | Anyone who cooks both savory and sweet or plain food in the same pot. | Check price |
| Budget pick |  Single replacement sealing ring | a stained, cracked or worn ring that no longer seals well | Someone replacing a worn ring who mostly cooks one style of food. | Check price |
Silicone sealing ring set, sized to your pot
Fixes: odors carrying over from one meal to the next
Look for: Sized to your pot's capacity, since rings are not one size; Two or more rings in a pack, ideally in different colors; Food-grade silicone with no strong chemical smell out of the bag; A snug fit that seats in the lid with no gaps.
- Who it's for
- Anyone who cooks both savory and sweet or plain food in the same pot.
- Honest downside
- Your ring is fine and only needs a wash. Also check that the listing names your model before you order.
Single replacement sealing ring
Fixes: a stained, cracked or worn ring that no longer seals well
Look for: The correct size for your model; A snug fit with no gaps; A listing that names the models it fits.
- Who it's for
- Someone replacing a worn ring who mostly cooks one style of food.
- Honest downside
- You cook strong savory food and neutral food in the same pot. A two-ring set solves that better.
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How we picked: How we picked: this page is based on pressure cooker manuals and care guides, home cooking odor advice, and what owners report about silicone ring sets. We do not test products by hand.
Instant Pot smells bad, weird or like food? Match the smell to the fix
- Curry, garlic, onion or fish: the ring. Wash, soak and steam it.
- Sour or musty: a damp lid or trapped food in the valve. Take it apart and dry it.
- New plastic or rubber: wash and steam clean before first use.
- Hot or burning: unplug the pot and let it cool. Check for spilled food or melted plastic.
What to skip
Bleach and scented sprays
Bleach can leave its own smell, and food should not touch bleach residue. A scented spray on the ring only layers a second smell over the first. Plain soap, baking soda and lemon do the job.
Frequently asked questions
Why does my Instant Pot smell like food?
Why does my Instant Pot smell like plastic?
Why does my Instant Pot smell weird or bad, like sour or musty?
How often should I replace the sealing ring?
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