Mix equal parts white miso and soft butter. Add it to all of the things. (About a tablespoon of each should be fine for a pound of produce. You know I believe that animal fats are fine in pursuit of eating leaves.)
Roast brussels sprouts are particularly good. So is fresh corn. Broccoli. Blanched kale. Sweet potatoes Or if you want to thicken a sauce, whisk this in at the end.