This burger has won Rachael's Burger Bash competition a record seven times! (snip) It includes his ketchup-mayo-sriracha secret sauce and bacon jam, which is way better than just bacon. The strips tend to slide off the burger, but the jam stays put and you get some in every bite! Preparation For the bacon jam, cook the bacon in a large skillet over medium heat until crisp, 8 to 10 minutes. Add the onion, cover and cook 10 minutes. Uncover and cook, stirring occasionally, until very soft and golden brown, 10 to 15 minutes more. Add the balsamic vinegar and...