I've done it in the microwave when I only need a couple of pieces. I have a pan similar to this - Amazon.com: Nordic Ware Microwave Bacon Tray & Food Defroster: Kitchen & Dining
that I use in the microwave for bacon.
When all of us are home it takes a whole package though so the microwave is out for use. The big griddle splatters grease every where so I was definitely looking for an alternative way.