We've been in the habit of cooking up greens to always have in the fridge for lunches and dinners (and, for my husband, breakfast; I'm not quite ready to go there) - because they're nutritious and, if not boiled to death, delicious.
Over the weekend I discovered that sweet potato greens and the leaves of Hibiscus sabdariffa go really well together (if you don't happen to have either of these around, spinach and sorrel (real French sorrel, not the aforementioned hibiscus which is also called Jamaican sorrel) would be a similar combination. Today's batch was Tuscan kale that had been in the fridge too long and needed to be eaten NOW, more sweet potato greens (I have rather a lot of them available), and kohlrabi (roots and whatever leaves looked decent).
The basic recipe (it's one of those I Don't Have To Think About It recipes) goes something like this:
Clean and chop up your greens. If they're on the tough side, steam them for 5-10 minutes (I do this with collards and kale and anything similar). You can also add other vegetables; things like kohlrabi root do need to be steamed, and things like peppers don't.
Chop up or slice some onions. Add some olive oil to a pan and cook the onions about 10 minutes or until soft. Add the greens; stir occasionally so things don't stick. Add any seasonings you want: garlic, soy sauce, vinegar, spices, salt and pepper. Cook until vegetables are not crunchy.
At the last minute, add some chopped nuts and/or dried fruit (I'm fond of pecans and cranberries). You can also fry up some bacon and crumble that in, or use bits of cooked ham (especially country ham, mm) or sausage. (I'm out of the habit of doing that since Vegetarian Son was home for the summer, but I'll try to remember next time.)
We did this mostly with frozen greens last winter (fresh are usually available, but frozen are convenient) and I'm hoping we'll have enough of our own home-grown in the freezer to not have to buy for a while. I can start harvesting collards next week.
And now I'm going to try sweet potato latkes...