I made turkey burgers last night which turned out FANTASTIC. I added finely chopped red onion, rosemary, ginger, sesame oil, and sesame seeds. Sometimes I'll do onion, rosemary, and worcestershire sauce. Sometimes I add oats or cracker crumbs and egg. It's pretty versatile, play around with it!
"We are all inventors, each sailing out on a voyage of discovery, guided each by a private chart, of which there is no duplicate. The world is all gates, all opportunities." Ralph Waldo Emerson