Roasted Vegetable Pithiviers and Parmesan sauce

The full name for this impressive French puff pastry pie is “gâteau pithiviers” and it’s named after a town some fifty miles south of Paris. The filling between the round layers of pastry can be either sweet or savory. This version is filled with roasted vegetables and accompanied by a creamy Parmesan sauce. For balance, I serve it with a refreshing and crunchy leafy green salad.