I have only eaten it in salads, as well. I reckon it would be good as a cooked green, although I 'spect it would cook down much like poke weed and therefore require a huge amount in order to have enough to go around.
I used to be a racist, but I don't have much interest in it since Dale Earnhardt got killed.
Outside of a dog, a book is a man's best friend. Inside of a dog, it's too dark to read.
Good judgement comes from experience; experience comes from bad judgement.