A tip for you

I have done this today so I know it works.
If you have an old lemon hanging around, cut it in half and place in a dish and put in microwave on high for 3 minutes
Then wipe the microwave down inside, it will be nice and fresh and clean.
throw the old lemon away.
If you have an old lemon hanging around, cut it in half and place in a dish and put in microwave on high for 3 minutes
Then wipe the microwave down inside, it will be nice and fresh and clean.
throw the old lemon away.