If you have a very oily/stained Tupperware container - put in a drop or two of dishwashing liquid, a little bit of warm water, and a ripped up square of paper t

If you have a very oily/stained Tupperware container - put in a drop or two of dishwashing liquid, a little bit of warm water, and a ripped up square of paper towel. Put the lid on and give it a shake for about 20 seconds and the container will be good as new again.