Hi, Jack (I've always wanted to say/type that!)
I've just tried to write using my left hand and managed that better than I thought I would. I think you could fill in a grid... slowly and carefully.
As you are normally chief cook, I'd have expected you to plan ahead, buy ahead, cook ahead. Is there still time for you to fill the fridge and freezer with dishes that need only to be reheated?
Good luck with the surgery, and the post-op recovery.
SimpleSimon, your experience sounded a real ordeal.