The term 'CRUSTY DISH' can be solved by two crossword solutions: PIE (3 letters) and POTPIE (6 letters). A PIE is a baked dish which is usually made of a pastry dough casing that covers or completely contains a filling of various sweet or savory ingredients. A potpie is a type of PIE with a top and bottom crust, filled with a savory mixture of meat and vegetables in a gravy or sauce. Both pies and potpies are typically served hot and have a crunchy, golden-brown crust.