How to Clean Microwave

Difficulty Easy
Time 10-15 min
How Often Weekly
⚠️ Safety Warning

The bowl will be extremely hot after microwaving. Use oven mitts to remove it.

What You'll Need

Step-by-Step Method

1
Prepare the steam bowl

Fill a microwave-safe bowl with 1 cup of water. Add 2 tablespoons of white vinegar OR the juice of one lemon (drop the lemon halves in too). The acid helps break down grease.

1 min
Lemon smells better. Vinegar works slightly harder on grease. Both get the job done.
2
Microwave on high for 5 minutes

Place the bowl in the microwave and run on high for 5 minutes. The water will boil and create steam that loosens all the baked-on splatter. Do not open the door when it finishes.

5 min
3
Let it sit for 3 minutes

Keep the door closed for 3 minutes after the cycle ends. The trapped steam continues softening stuck-on food. This is the step most people skip, and it makes all the difference.

3 min
4
Wipe everything down

Carefully remove the bowl (it will be hot). Remove the turntable and wash it in the sink. Wipe all interior surfaces with a damp cloth. Everything should come off with almost zero effort.

3-5 min
Start with the ceiling and walls, then finish with the floor of the microwave.
🚫 What NOT to Do
  • Do not use metal scrapers or abrasive scouring pads inside the microwave
  • Do not run the microwave empty (damages the magnetron)
  • Do not use commercial oven cleaner inside a microwave
💡 Pro Tips from The Freak
  • Cover food with a microwave-safe lid or damp paper towel to prevent future splatter
  • Wipe up spills immediately after they happen. Fresh splatter takes 10 seconds to clean. Baked-on splatter takes 10 minutes.
  • For persistent odors, leave an open box of baking soda inside overnight

Frequently Asked Questions

Once a week if you use it daily. Every two weeks for lighter use. If you can see splatter marks on the interior walls, it is overdue.

Yes. This method works on all standard microwave types including countertop, over-the-range, and built-in models.

Sources & Methodology

Steam cleaning exploits the principle that heated water vapor penetrates and rehydrates dried food residue, making it easy to wipe away. Acidic additives (vinegar or citric acid from lemon) accelerate grease breakdown.

Last reviewed: March 20, 2026

The Clean Freak provides cleaning guidance for informational purposes. Not a substitute for professional cleaning or mold remediation advice. Full disclaimer.