The pity soup...
Fill the pot with water, then add crackers, crotons, beefjerky, and whatever spices you may have on board... Cook it for 5 minutes and serve in cups...
That's something I had to invent on an evening of heavy fog, anchored and hungry...

It ended up pretty good, but what doesn't when you are hungry

Since then, I started carrying pasta and rice with canned tomato paste on board on my small 22 footer... It's a daysailer but sometimes the day doesn't end when you want it to be...
I don't want to steal the thread so I'll be quiet now...