I use a Coleman roadtrip grill, folds flat and I can store it in my front pass through storage area with lots of spare room. Also use a brass splittter and a 15 foot hose to run it off my front propane tanks (don't like cooking by the door / under the awning).
An electric skillet is great for morning pankcakes, and dutch ovens are nice.
Home tool kit.
The 30 amp extension cord and the 50a to 30a adapter are must haves.
And carry extra pins / hardware for the hitch you use.
I have a "Y" splitter and a roll up hose in case I need extra water for clean up or to hook up to.my black tank flusher. Don't leave it hooked up to the flusher though, way too easy to have it accidents turned / left on.
2012 Jayco 32TSBH
2004 Ford Excursion
ProPride 3P / Tru Control brake controller
Roadmaster Active Suspension