We've served these before vending.
We usually go with (from the bottom if I remember) beans, PP, slaw, brisket, drizzled with sauce.
We called them "BBQ Parfaits".
Big JT's Smokin' BBQ Competition Team
"The path was worn and slippery. My foot slipped from underneath me, knocking the other out of the way, but I recovered and said to myself, 'It's a slip and not a fall.'"