We do the same as yours Patriot except we use yellow onions and add bell peppers to it. Untill we came out with our GC alfredo, the wife and i would take a large BBQ GC home with us every Saturday night.
Ours is called a “BBQ Chicken Deluxe” with our cheese blend 75% mozza and 25% jack, our Southwest BBQ sauce base, rotisserie pulled chicken, caramelized yellow onions and mushrooms all under the cheese baked at 520 for 6.40 mins.
One of our best sellers but ony been open for a week!!!