getting into all the stuff you want to have for the patio cookout is just not good. IIRC one of our members, "uncle fester". LARRY NORTON Has made some fabulous jelly cabinets which he marketed at a few local craft shows. With some small modifications a jelly cabinet with small mesh screen in the doors could be a perfect storage/holding place for condiments salads deserts etc. that you would serve for your al fresco meal gathering. Here is a simple plan to make one kinda sorta like LARRY NORTON made.
https://rogueengineer.com/diy-jelly-cabinet-plans/I guess leaving the unit outdoors depends on material used and/or the finish applied. One of the comments and responses was intriguing to me, about VASELINE