Corn Bread Vegetable CobblerPlace the squash, potatoes, parsnips, and onion in a shallow 3 qt. baking dish. Combine the oil, salt and tarragon; drizzle over veggies and toss to coat. Bake, uncovered at 375 degrees F for 1 hour or until tender, stirring once. Meanwhile, in a large pan, bring broth to a boil.