Boiling lemons in the microwave can help remove old food smells. Photo: Yasser Abusen (flic.kr/p/f3v6xw)We've all had it: a stinky microwave.
You know that smell: the spaghetti you reheated two weeks ago. Or the plate of salmon that now has your microwave smelling like a fish hatchery. But why does this happen, and more importantly, how do you fix it?
Microwave ovens have fans that dissipate heat from the motor and carry away steam from the cooking chamber. In the case of rangetop overhead microwaves, the fans also serve double-duty as the ventilation system for the rangetop. When you cook items in the microwave, the steam created carries the odor through these systems and makes it coat all of these systems. Once the smell is in there, it continues to be blown around by the fans. While most odors get weaker over time, oil-based odors (like fish) can stick around for weeks.
Here's a simple fix suggested by the website The Snug: