I use a kitchen torch-the ones chefs use and they can be found in most kitchen supply stores.  It makes everything heat up fast and no burnt thumbs waiting for things to happen   They can be refilled and mine has lasted three years now-great investment over throw away lighters I think http://www.amazon.com/Oggi-Piece-Creme-Brulee-Set/dp/B0003008OK/ref=sr_1_6?s=kitchen&ie=UTF8&qid=1378896768&sr=1-6