I did that, too, and ended up with an assortment of stray pots I donated to goodwill. For some reason, it's hard to find an individual frying pan! For me, the frying pan is in case I catch a fish, and I consider it part of my fishing kit. However, when I take it I leave behind the lid to my pot, for which the frying pan substitutes.

On a related topic, those containers put out by Glad and Ziploc for holding leftovers make really good, cheap, and lightweight bowls and cups when your party is made up of several people and it's impractical for everyone to eat out of the cooking pot.