How to Remove Burnt Smell From a Microwave: Easy Cleaning Tips
Learn how to remove a burnt smell from a microwave using simple cleaning and deodorizing methods. Get rid of smoke, burnt food odors, and lingering smells safely.
APPLIANCE CARE
9/22/20264 min read
A burnt smell can linger inside a microwave long after the food that caused it has been removed. Grease, food splatters, and smoke can stick to the interior walls, ceiling, turntable, and ventilation areas.
Fortunately, you can usually eliminate the odor with a thorough cleaning and a few simple deodorizing methods.
Start by Removing the Source
Before treating the smell, remove anything that may have caused it.
Take out:
Burnt food
Food containers
Paper towels or packaging
Plastic that may have melted
Food residue stuck to the microwave walls
Allow the microwave to cool completely before cleaning it.
If you notice melted plastic, severe scorching, sparks, or damage to the interior coating, stop using the microwave until it has been inspected.
Clean the Microwave Interior
Burnt food residue is one of the most common reasons a microwave continues to smell.
Unplug the microwave before cleaning the interior if this can be done safely.
Use a soft cloth or sponge with warm water and a small amount of mild dish soap.
Wipe the:
Interior walls
Microwave ceiling
Floor
Door
Turntable
Turntable support
Avoid abrasive cleaners and rough scrubbers that could damage the interior surface.
Use Steam to Loosen Burnt Residue
Steam can make stubborn food residue much easier to remove.
Place a microwave-safe bowl containing approximately 1 cup of water inside the microwave.
Heat it for several minutes until the water produces plenty of steam. Allow the bowl to sit inside for a few minutes after heating.
Carefully remove the bowl because it may be very hot.
Wipe the softened residue from the interior using a clean, damp cloth.
Do not operate the microwave empty.
Try a Vinegar and Water Solution
White vinegar can help neutralize unpleasant odors and loosen grease.
Mix approximately 1 cup of water with a few tablespoons of white vinegar in a microwave-safe bowl.
Heat the mixture until it produces steam, then allow it to sit briefly with the microwave door closed.
Afterward, wipe the interior thoroughly with a clean cloth.
The vinegar smell will usually disappear as the microwave airs out.
Use Lemon to Freshen the Microwave
Lemon is another simple option for dealing with lingering odors.
Cut a lemon into pieces or slices and place it in a microwave-safe bowl containing water.
Heat the mixture for several minutes, allowing the steam to spread throughout the microwave.
Leave the door closed for a few minutes, then wipe the interior clean.
This method can help loosen grease while leaving a fresher scent.
Use Baking Soda for Lingering Odors
If the burnt smell remains after cleaning, baking soda can help absorb odors.
Place a small, open container of baking soda inside the cool, switched-off microwave.
Leave it inside for several hours or overnight.
Remove the baking soda before using the microwave.
Do not heat dry baking soda inside the appliance.
Let the Microwave Air Out
After cleaning, leave the microwave door open for a while so trapped odors can escape.
Make sure the appliance is in a safe, dry location and that children or pets cannot interfere with it.
Ventilation is particularly useful when the smell is coming from smoke that has been absorbed by interior surfaces.
Don't Forget the Microwave Turntable
The glass turntable can retain burnt food odors.
Remove it and wash it separately with warm water and dish soap.
Clean the rotating support underneath it as well. Food particles can collect around the wheels and create unpleasant smells when the microwave is used again.
Make sure all removable parts are completely dry before reinstalling them.
Clean the Microwave Door
Burnt food particles and grease can accumulate around the microwave door.
Wipe the inside of the door and the surrounding frame with a damp cloth and mild dish soap.
Be careful around the door seal and avoid damaging it.
A dirty door can continue to release odors whenever the microwave becomes warm.
Check the Microwave's Air Vents
Smoke and strong odors can sometimes enter the microwave's ventilation system.
Do not insert objects into the vents or attempt to disassemble the microwave.
Instead, keep the exterior ventilation areas clean and free of dust and grease according to the manufacturer's cleaning instructions.
If the smell appears to come from inside the electrical components rather than from food residue, stop using the microwave and have it inspected.
What If the Burnt Smell Returns Every Time You Use the Microwave?
A smell that returns immediately whenever the microwave operates may indicate something more serious than leftover food.
Possible causes include:
Burnt food residue
Damaged interior coating
Electrical component overheating
Damaged wiring
Faulty magnetron or other internal component
If you notice smoke, sparks, unusual buzzing, burning plastic, or a strong electrical odor, unplug the microwave if it is safe to do so and stop using it.
Microwave ovens contain high-voltage components that can remain dangerous even after the appliance is unplugged. Internal electrical repairs should be handled by a qualified technician.
How to Prevent Burnt Smells in a Microwave
Preventing residue buildup can make future odors much easier to avoid.
Try these habits:
Cover food while heating.
Clean spills as soon as the microwave cools.
Use microwave-safe containers.
Avoid overheating food.
Follow recommended cooking times.
Clean the turntable regularly.
Never operate the microwave empty.
Remove burnt food promptly.
Quick Odor Removal Routine
For a mild burnt smell, this simple routine can often help:
1. Remove the burnt food.
2. Wash the turntable and support.
3. Steam-clean the interior with water.
4. Wipe away loosened residue.
5. Clean the door and interior surfaces.
6. Use lemon or diluted vinegar for additional deodorizing.
7. Leave the door open to air out.
8. Place baking soda inside the cool microwave if the odor remains.
When a Burnt Smell Means You Should Stop Using the Microwave
A food-related odor is usually manageable with cleaning, but some smells require caution.
Stop using the microwave if you notice:
Smoke coming from the appliance
Sparks or arcing
Burning electrical odor
Melted plastic
Damaged interior coating
Unusual buzzing or popping
The smell returns immediately during operation
These symptoms can indicate an electrical or component failure rather than leftover food residue.
Final Thoughts
The best way to remove a burnt smell from a microwave is to eliminate the source first and then thoroughly clean the interior. Steam, diluted vinegar, lemon, and baking soda can help with stubborn food odors.
If the smell continues after cleaning, especially if it smells like burning plastic or electrical components, don't keep using the microwave to test it. A persistent burning odor can indicate an internal fault that requires professional inspection.