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Get your microwave oven sparkling clean and fresh with this easy guide. Learn simple steam cleaning methods to remove splatters and odors effectively.

Your microwave is a kitchen workhorse, quickly heating everything from leftovers to popcorn. But all that heating can lead to splatters, spills, and baked-on food residue inside. A dirty microwave not only looks unappealing but can also operate inefficiently and harbor unpleasant odors. Fortunately, cleaning the inside of your microwave effectively is a quick and easy task using simple household ingredients. This guide will walk you through a straightforward steam-cleaning method and how to tackle those stubborn spots.

An opened microwave oven drawer below a kitchen countertop.
Whether cleaning a microwave drawer like this or a conventional microwave oven, the task is a relatively simple one. Sharp Electronics

Gather Your Simple Cleaning Arsenal

Having your supplies within reach will make the cleaning process smooth and efficient. You’ll need:

  • A microwave-safe bowl: Ensure it’s large enough to hold at least one cup of water and is certified microwave-safe.
  • Water: The key ingredient for creating steam.
  • White vinegar or lemon juice: Natural deodorizers and effective at loosening food particles. Vinegar is a great all-around cleaner, while lemon juice adds a fresh scent.
  • A sponge or cloth: For wiping down the interior surfaces.
  • Baking soda (optional): For tackling particularly tough, stuck-on stains.

The Magic of Steam Cleaning

Steam is a powerful and natural way to loosen food particles and grease that have splattered and baked onto the interior walls and ceiling of your microwave, making them much easier to wipe away.

  1. Fill the bowl. Pour about one cup of water into your microwave-safe bowl.
  2. Add cleaning power. Stir in a couple of tablespoons of white vinegar or the juice of one lemon into the water. The vinegar or lemon will help to break down grease and neutralize odors.
  3. Microwave on high. Place the bowl inside the microwave. Close the door and heat on high power for 5 to 10 minutes. The exact time will depend on your microwave’s wattage and the amount of buildup inside. You should see the water boiling and steam forming inside the appliance. Let it Sit (With Caution): Once the heating time is up, do not immediately open the microwave door.
  4. Let the steam work its magic for a few minutes (2 to 3 minutes) with the door closed. This allows the steam to further penetrate and loosen the grime. Be cautious when opening the door, as the steam will be hot and can cause burns. Open it slowly and carefully.

The Easy Wipe-Down

The steam should have softened the food particles and grease, making them much easier to wipe away with minimal scrubbing. Carefully remove the hot bowl from the microwave using oven mitts or a towel. Using a clean sponge or cloth, thoroughly wipe down all the interior surfaces of the microwave, including the top, bottom, sides, and back. Pay particular attention to areas where you’ve noticed splatters or stains. The loosened grime should come off relatively easily.

Targeting the Tough Stuff

For those stubborn, baked-on stains that the steam alone couldn’t remove, baking soda’s mild abrasive properties can act as a gentle scrub to provide extra cleaning power without scratching the microwave’s interior. If you encounter any particularly tough stains, sprinkle a small amount of baking soda directly onto the affected area. Add a tiny bit of water to create a thick paste. Gently scrub the stain with a sponge or cloth using a circular motion. Wipe away the baking soda residue with a clean, damp cloth.

Final Touches for a Fresh Look

To fully clean your microwave, don’t forget the door and exterior. Use a damp cloth to wipe down the microwave door, handle, control panel, and the exterior surfaces to remove any fingerprints, dust, or spills. You can use a mild soapy water solution for more stubborn exterior grime, followed by a wipe with a clean, damp cloth.

Safety Considerations

Always prioritize safety when cleaning your microwave:

Let it cool down before you begin cleaning the interior. Also be extremely careful when handling the hot bowl of water and when opening the microwave door after steaming, as the steam can cause burns. Use oven mitts or a towel to remove the bowl and keep your face away from the escaping steam.

Conclusion

Keeping the inside of your microwave clean doesn’t require harsh chemicals or extensive scrubbing. By utilizing the simple power of steam and a few household ingredients like vinegar or lemon juice, you can effectively loosen and wipe away messes, leaving your microwave fresh and ready for its next task. For those extra-stubborn spots, baking soda provides a gentle abrasive boost. Make this quick cleaning routine a regular part of your kitchen maintenance to keep your microwave looking and smelling its best.

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About Don Vandervort
Don Vandervort has developed his expertise for more than 30 years as a remodeler and builder, Building Editor for Sunset Books, Senior Editor at Home Magazine, author of more than 30 home improvement books, and writer of countless magazine articles. He appeared for 3 seasons on HGTV’s “The Fix,” served as MSN’s home expert for several years, and is featured as Yelp's home improvement expert. Don founded HomeTips in 1996. Read more about Don Vandervort