Answer:
I am your mother's brother's only brother in law. Who am I?
What demands an answer, but asks no question?
Brothers and sisters I have none but this man's father is my father's son. Who is the man?
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
Why was the cook arrested?