Make your own rub with the spices you like,
rub your steaks with your mix, and place them in
the fridg. for 4-6 hours. Then grill them.
You might want to try sea salt instead of regular
salt, it just tastes better to me.
I know you want to avoid sugar, but try adding
a little brown sugar to the mix, it makes a
big difference.
Remember that the leaner steaks are going
to be a little tougher.