When you need pastry or pie dough in a hurry, frozen puff pastry is the king of supermarket convenience foods. Cooking teacher Jessica Bard demonstrates some tricks for getting the best results from this versatile dough.When you need pastry or pie dough in a hurry, frozen puff pastry is the king of supermarket convenience foods. It’s incredibly versatile and can be used to make a huge array of hors d’oeuvre, main courses, and desserts. Frequent Fine Cooking contributor and cooking teacher Jessica Bard demonstrates some tricks for getting the best results from this versatile dough.