Answer:
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
What gets bigger the more you take away from it?
It keeps you on the ground and stops things from floating around. What is it?
Who has married hundreds but always been single?
What has four fingers and a thumb but is not alive?
When is it bad luck to see a black cat?