A great way of using leftover mashed potatoes is to make them into crispy potato cakes. My mother has always done this and throughout the years I have naturally followed in her footsteps. I had some red skinned mashed potatoes mixed with chives leftover from before Thanksgiving and not wanting them to go to waste, I created this old standby as an add-on for today's lunch.
Crispy Mashed Potato Cakes
Mold mashed potatoes into an oval patty form about an inch thick. Dip patty into a beaten egg wash and coat with bread crumbs. Fry in melted butter on medium heat until a nice golden brown color. Place cooked patty on a separate pan and place in an oven preheated to 250 degrees to keep warm while you prepare any other patties you are making.
Enjoy with a dollop of sour cream.