Tips and Tricks: Quickly clean microwave By Indiana Connection Posted on Mar 01 2015 in General Soak a sponge in water, then microwave for one minute. The moisture will loosen bits of food suck to the inside of the microwave and make it easier to wipe down for a quick cleaning. Be careful handling the hot sponge! Related Stories Meet your directors Are you ready to serve? Breakfast with Brett on March 25