How to Clean a Microwave with Baking Soda

Co-authored by Bridgett Price

Last Updated: September 16, 2021

Microwaves have a tendency to accumulate residue from various foods. If left unattended, further cooking can make these spills set, making them even more difficult to remove. While wiping these stains down will definitely help, it’s also possible to microwave a solution of water and baking soda to make residue easier to clean, as well as dealing with accumulated odors.

Method 1

Method 1 of 2:

Applying Baking Soda Directly

1
Remove the turntable and support ring, and sprinkle baking soda. Set these pieces aside, on the kitchen counter or in the sink. Sprinkle the baking soda across the bottom of the microwave.
- Alternatively, you can use a baking soda paste to clean your microwave. Mix two parts baking soda to one part water and use a butter knife to apply the paste to the inside of the microwave.^{[1]
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  Research source}
- Wash the turntable with soapy water.^{[2]
  X
  Expert Source
  
  Bridgett Price
  Professional Cleaner
  Expert Interview. 23 May 2019.}
2
Moisten a cloth with hot water and scrub. Make sure to scrub the inside walls thoroughly as well as the inside of the microwave’s door. This should dislodge even the most tenacious spills and stains.
- Make sure to wipe the turntable and support ring as well.
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3
Rinse your cloth and wipe the microwave. Wring out the baking soda mixture from the cloth then moisten it with hot water. Rinse the cloth again if needed, until you’ve wiped all traces of the baking soda from the microwave.
4
Dry the turntable and support ring. Wipe them down with a clean towel, then return them to the microwave.

Method 2

Method 2 of 2:

Microwaving a Baking Soda Solution

1
Mix a solution of water and baking soda. Mix two tablespoons (30ml) of baking soda with one cup (237ml) of water. Pour the mixture into a microwaveable container and leave it unsealed.^{[3]
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Research source}
2
Microwave the solution for three minutes. As the solution warms and steams, the baking soda will absorb odors from the microwave. The steam will clean the walls of the microwave, loosening any lodged foods and oils.
- Let the container stand in the microwave for 15 minutes.^{[4]
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3
Remove the container. The container will likely be very hot to the touch, use oven mitts to avoid burning yourself.
- Pour the contents of the container down the sink.
4
Use a damp cloth to wipe down the microwave. Dampen a lint-free cloth with water. Wipe along the microwave’s walls and its top. This will remove any traces of baking soda that may have collected on its walls.
- If you’re really concerned about the cleanliness of the turntable and support ring, you can remove them from the microwave and wipe them down separately.
5
Leave the microwave door open and let it air dry. If you don’t have enough time to let the microwave air dry, you can wipe the inside down with a towel.