I just cooked chard last night, and it was the clear obvious one to pull out and use, so that's an easy ticky. The second, I usually prefer beet greens over the others, but it's been a while since I've done any of them -- not since we left the CSA.

The chard, I did the usual stir-frying with onions and olive oil, plus some protein (in this case, peanuts), for serving on top of the evening's carb base (spaghetti this time). Time was, I'd've mixed it in with the noodles, but TBD, being 4, has Strong Feelings about having the sauce of whatever variety on the side.