Cook potatoes until tender in ... fluffy. (if using leftover mashed potatoes, add warm milk, ... or ground leftover roast beef. Heat through. Spoon beef ... the day and refrigerated.
Grease a 9 inch pie dish. Simmer meat for 5 ... to use up leftovers. I have also used ground beef, pork roast, and green beans; all leftovers and everyone liked it!