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Ultimate Crispy Leftover Mashed Potato Cakes (Cheesy Option)

A perfectly golden brown, thick mashed potato cakes cut in half on a white plate, showing the fluffy interior.

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Transform your leftover mashed potatoes into golden, crispy potato cakes with a creamy interior. This easy recipe delivers the perfect comfort food side dish or snack, featuring an optional cheesy upgrade.

Ingredients

Scale
  • 3 cups cold leftover mashed potatoes
  • 1 large egg, lightly beaten
  • 1/2 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 cup chopped fresh chives (optional)
  • 1/2 cup shredded sharp cheddar cheese (optional)
  • 1/4 cup panko breadcrumbs (optional, for extra crispiness)
  • 3 tablespoons vegetable oil, for frying

Instructions

  1. In a medium bowl, combine the cold mashed potatoes, beaten egg, flour, salt, and pepper. If using, mix in the chives and cheddar cheese until just combined. Do not overmix.
  2. If you desire extra crispiness, gently fold in the panko breadcrumbs.
  3. Shape the potato mixture into small patties, about 1/2 inch thick and 2 to 3 inches wide. You should get 8 to 10 cakes.
  4. Heat the vegetable oil in a large skillet over medium heat. The oil should coat the bottom of the pan thinly.
  5. Carefully place the potato cakes into the hot oil, ensuring you do not overcrowd the pan. Work in batches if necessary.
  6. Cook for 3 to 4 minutes per side until the mashed potato cakes are golden brown and crispy on the exterior.
  7. Remove the cooked cakes from the skillet and place them on a plate lined with paper towels to drain excess oil.
  8. Serve your crispy potato cakes immediately as a delicious side dish or snack.

Notes

  • Using cold mashed potatoes is key; warm potatoes will result in a mushy texture that is hard to handle.
  • For an air fryer option, lightly spray the formed cakes with cooking spray and cook at 380°F (195°C) for 10 to 12 minutes, flipping halfway through until golden brown.
  • These potato cakes freeze well after they are fully cooked. Cool them completely, then place them in a single layer on a baking sheet to freeze before transferring to a freezer bag. Reheat in the oven or air fryer.

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