Butternut Squash And Celery Root Gratin might be just the side dish you are searching for. This recipe serves 4. One portion of this dish contains about 10g of protein, 30g of fat, and a total of 470 calories. Head to the store and pick up handful of flat-leaf parsley leaves, onion, cream, and a few other things to make it today. From preparation to the plate, this recipe takes roughly 45 minutes.