how long can you keep frozen pastry
More From Woman's Day. Preparation Tips: â¢ Store-bought puff pastry can be stored in the freezer for up to 6 months in the original packaging so it doesn't absorb any of the flavors or odors around it.. If you have unused dough, Simmons advises wrapping it in plastic wrap and then aluminum foil before freezing again.ore From Woman's Day. Preparation Tips: â¢ Store-bought puff pastry can be stored in the freezer for up to 6 months in the original packaging so it doesn't absorb any of the flavors or odors around it.. If you have unused dough, Simmons advises wrapping it in plastic wrap and then aluminum foil before freezing again.