I used bacon to instill some basic commands.  Come, stay and whoa, were the three basics for my needs.  Then she had some difficulty (or more like I had some difficulty in conveying) certain things.  For a brief period I had her thinking come and stay must mean the same.  Whoa is simply stop and hold up, not turn around and 'come' back.  Anyway, these basics were reward with pan-fried crumple bacon...the real deal...good old Oscar M.  None of that turkey imitation nasty stuff for MY dog.  Pan-fried, nice and crispy, then crumpled and kept in small plastic bag.  I think it makes an awesome treat and great for training.  So, being my wife does the food shopping, that was probably the last time we had the real bacon.