Place 2 slices of the provolone cheese on one side of the roll and place the baking sheet in the oven to toast the roll and melt the cheese for bout 2-3 minutes
Cut open bag of pre cooked grilled chicken
Put a handful of chicken into a large enough skillet
Drop in the chopped onion
Salt and pepper
Cook the chicken and onions until the onions are fried to your liking and chicken is heated throughout
Place the several pieces of cheddar cheese on top of chicken and let it melt still being in the skillet (sorry forgot to take a picture)
Place roll on your plate.
Remove chicken from pan and place on top the cheese covered roll