I can't believe I'm going to recommend a Walmart product! Great Value pulled pork in bbq sauce 2.6 oz packs is actually very good! Right out of the pack with crackers or in a quesadillas, (tort-cheddar-bbq pork-cheddar- tort) bake or pan fry.
I slice sharp cheddar as needed when camping and find that it keeps a week or so in cool weather, or use Velveeta.

shelf stable or need a cooler?

Straight from the grocer's refrigerator. I only use a cooler on the ride from home to the EP. I'm talking about May trips would not try in August. I do the same with butter. I take a 1# block of cheese and cut it into 3 or 4 pieces and vacuum seal each piece. Butter is put in a 8oz plastic container.

I'm kinda dumb. If you were referring to the bbq pork it comes in the foil pouches like the cooked chicken and is shelf stable.

Thanks. Sounds like a winner.