Winter Squash Gratin might be just the side dish you are searching for. This recipe serves 8. One serving contains 270 calories, 10g of protein, and 8g of fat. This recipe covers 15% of your daily requirements of vitamins and minerals. It is perfect for Winter. Not Head to the store and pick up parsley, onions, bread crumbs, and a few other things to make it today. From preparation to the plate, this recipe takes about 1 hour and 25 minutes.