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What to Do with Leftover Mashed Potatoes

Wondering what to do with leftover mashed potatoes? Cold mash is a head start on a dozen dishes — it crisps into cakes, tops a shepherd’s pie, and even becomes gnocchi. Here are five ways to turn yesterday’s side into today’s meal. Have other leftovers to clear out too? DinnerForToday will combine them into one recipe for you.

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Crispy Mashed Potato Cakes

Golden, pan-fried patties with a fluffy middle — the best leftover-mash recipe there is.

20 minEasy3 servings

Ingredients

  • 2 cups leftover mashed potato
  • 1 egg
  • 1/3 cup flour
  • 1/2 cup grated cheese
  • 2 spring onions
  • Salt, pepper, oil

Method

  1. 1Mix the mash with the egg, flour, cheese and spring onions.
  2. 2Shape into patties and dust lightly with flour.
  3. 3Fry in a little oil 3–4 minutes per side until golden and crisp.

Shepherd’s Pie

Leftover mash makes the perfect topping for a quick shepherd’s pie.

40 minMedium4 servings

Ingredients

  • 2.5 cups leftover mashed potato
  • 400g minced beef or lamb
  • 1 onion, diced
  • 1 cup mixed vegetables
  • 2 tbsp tomato paste
  • 1 cup stock
  • 1/2 cup grated cheese

Method

  1. 1Brown the mince with the onion, then stir in the vegetables.
  2. 2Add the tomato paste and stock; simmer 10 minutes.
  3. 3Transfer to a dish and spread the mash on top.
  4. 4Scatter with cheese and bake at 200°C for 20 minutes until golden.

Easy Potato Gnocchi

Turn cold mash into pillowy gnocchi with just flour and an egg.

30 minMedium3 servings

Ingredients

  • 2 cups leftover mashed potato
  • 1 egg
  • 1.25 cups flour
  • 1/2 tsp salt
  • Sauce of choice to serve

Method

  1. 1Mix the mash, egg, salt and enough flour to form a soft dough.
  2. 2Roll into ropes and cut into bite-size pieces.
  3. 3Boil in salted water until they float, about 2 minutes.
  4. 4Toss with your favourite sauce and serve.

Creamy Potato Soup

Leftover mash thickens this soup in minutes — no peeling required.

20 minEasy4 servings

Ingredients

  • 2 cups leftover mashed potato
  • 4 cups stock
  • 1 onion, diced
  • 2 cloves garlic
  • 1/2 cup cream
  • 1 tbsp butter
  • Salt, pepper, chives

Method

  1. 1Soften the onion and garlic in the butter.
  2. 2Whisk in the stock and the mashed potato until smooth.
  3. 3Simmer 10 minutes, then stir in the cream.
  4. 4Season and finish with chives.

Cheesy Potato Croquettes

Crunchy outside, molten cheese inside — a brilliant party snack.

30 minMedium4 servings

Ingredients

  • 2.5 cups leftover mashed potato
  • 1 cup grated cheese
  • 2 eggs
  • 1 cup breadcrumbs
  • 1/2 cup flour
  • Oil for frying

Method

  1. 1Mix the mash with the cheese and shape into small logs.
  2. 2Coat each in flour, then beaten egg, then breadcrumbs.
  3. 3Fry in hot oil until deep golden all over.
  4. 4Drain on paper towel and serve hot.

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