Baby Back Ribs get their name because they're the most tender and leanest ribs. Each full slab will have between 11-13 bones and will weigh about 3 lbs each. If you've never made ribs before, there are about a million recipes on the internet to try out. A great (and easy) cut of pork to cook for multiple people. Add some BBQ Sauce or Pork Rub and you are off and running.