Have you ever heard of “rice soup”? If so, have you ever had it?

No, but I looked up a recipe and it's just what I thought it would be. 

You mean intentionally?  Rice soup is what you get when you screw up making rice (triple the amount of water, but half the rice. Doh!).  Food's expensive, so you don't want to waste it (besides, the dog turned his nose up at it).  


I've also had lettuce soup (when shredding lettuce, the blade on the food processor was upside down).

I have heard of it, never had it, nor do I want to.

I used to eat chicken with rice soup as a kid. Does that count?