39 leftover mashed potatoe recipes

Mom's shepherd's pie: leftover lamb cubed and simmered with onion, red pepper, rosemary, and parsley under a mashed potato crust. The classic Sunday-roast reinvention.

Turkey casserole baked in a mashed potato shell with mixed vegetables, cream of mushroom soup, and melted cheddar. A low-fat way to use leftover turkey.

Classic lamb shepherd's pie with diced cooked lamb, peas, and gravy under a buttery mashed potato crust. A straightforward British comfort dish that uses leftover roast lamb.

Shepherd's beef pie with diced cooked beef in gravy, peas and carrots, topped with a ring of mashed potatoes and baked until golden. A fast way to use leftover roast beef.

Cubed turkey and broccoli in savory gravy with marjoram, topped with fluffy mashed potatoes studded with pimento and baked until golden. A comforting shepherd's pie that puts leftover turkey to brilliant use.

Cottage pie made with cubed leftover roast beef, white wine gravy, corn, and a piped mashed potato top crowned with sharp cheddar. A British comfort-food classic for using up Sunday roast.

I added a few cloves freshly minced garlic plus dried garlic powder and onion powder, and also put some orange cheddar in the mix with some dried parsley flakes and a few dashes of hot sauce. I ate almost half of the cakes when they were out of the oven, and I loved it. A very creative way to use leftover potatoes.