After about 3 hours at 250° in the big pan with sauce, I moved them with a slotted spoon into smaller pans in hopes that the sauce would start to setup better and get "burnt".  Here are looks when that took place.  Will probably be about 90 minutes that way before I pull them off, put a lid on them and head to the party.

Put on mats on the grill...

Finished product.  I consolidated pans and filled to the top to take to the party.  They went fast and got plenty of rave reviews.  I think I found my new method to make burnt ends.

Mercy, those look really good. Nicely done.