How To: Clean a Microwave

To clean a microwave and take it from grimy to shiny in a jiff, try any one of these easy methods (none of which involve toxic chemicals).

How to Clean a Microwave - Interior

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You know it’s time to clean your microwave when obnoxious smells fill the kitchen every time you open the appliance door. Fortunately, there are at least a couple of easy ways to clean a microwave using common household items that may already be in your pantry. Get ready to say goodbye to that odor of burnt popcorn!

No matter which method you decide on, the first step in cleaning a microwave is to wipe down all interior surfaces with a soft sponge or paper towels. For any stubborn food residue, use a plastic kitchen scraper. Tempting though it may be, steel wool should be avoided; it leaves scratches that ruin the microwave’s finish. Once you’ve given the interior a first pass, try one of these three approaches for a good, thorough cleaning.

LEMON JUICE

• Lemons contain citric acid, which cuts through grease and grime, and leaves behind a pleasant aroma. Cut two whole lemons into wedges, then squeeze the juice of each one into a small, microwave-safe mixing bowl. Once you have juiced them, throw the lemon rinds into the bowl, along with two or three cups of water.

• Place the bowl in the microwave, then set the appliance to run on high for two or three minutes—long enough for the water to start boiling vigorously. Without opening the microwave door, let the bowl stand for about 10 minutes, during which time its steam can penetrate any baked-on food and grease present in the interior.

• Open the microwave door and remove the bowl. If your microwave has a turntable, take it out of the oven (along with the carousel upon which it rotates). Soak these parts in hot, soapy water while you continue. With a damp cloth or sponge, wipe down the microwave and, if necessary, steam the interior once again.

 

VINEGAR AND BAKING SODA

How to Clean a Microwave - Exterior

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Vinegar and baking soda combine to create a powerful cleaning agent. Both are inexpensive, and most people tend to keep a box or bottle of each item on hand. (Also, it’s worth mentioning that vinegar acts as a natural disinfectant.)

• Add four tablespoons of baking soda to a quart of warm water, being sure to mash and stir so that the powder fully dissolves. Dip a cloth or sponge into the mixture, repeating as necessary, and wipe down the entire interior.

• Pour one-half cup of water and one-half cup of white vinegar into a small, microwave-safe bowl. Place the bowl in your microwave, running the appliance on high for two or three minutes—long enough for the water to boil vigorously. Keeping the microwave door closed, let the bowl stand for about 10 minutes while the steam works its magic.

• Open the microwave door, take out the bowl, and remove the turntable (if your microwave has one), along with its carousel. Soak these parts in hot, soapy water, while you move on to clean the microwave interior with the vinegar-and-water solution you’ve prepared. Keep at the task until no baking soda residue remains inside the oven.

 

COMMERCIAL CLEANSERS

• Various commercial cleaners are available. Typically, these produce strong and in my opinion quite unpleasant fumes, which linger in the microwave and can make your food taste a little off. If you want to try a commercial cleaner, I recommend purchasing a fume-free product and letting the door stand open for a couple of hours after you finish cleaning.

Of course, the more often you use the microwave, the more frequently you should clean it. But I would say that for the average homeowner, cleaning the microwave once every two weeks is an appropriate schedule if you want to keep the appliance looking—and smelling—its delightfully clean best.