Sometimes the side dish can make or break a dinner. This recipe for Potato and Morbier Cheese Tart is savory, buttery, and hearty. The dish combines decadent cheeses with cream, onion and potatoes, all packed into a rich and buttery puff pastry. Feel free to serve this up as a small meal any day of the week, or serve it up with your favorite meat main entree for a complete and savory supper.