but i would be treating this as a one off.
forgive me if i have got the wrong end of the stick and you just want to get together regardless of anything else.
i would be arranging a delivery of nice, easy to prepare food.
if you want to have a casserole type thing, line the pot you want to serve it in with layers of foil, then freeze the casserole in the pot. then you put it in the dish to travel still frozen, double wrap in carrier bags and it will barely have defrosted over two hours but with no risk of spilling.
either that or put it in whatever pot you 