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Ultimate Crispy Leftover Mashed Potato Cakes (Cheesy & Pan-Fried)

A stack of three golden-brown, crispy mashed potato cakes, with the top one broken open showing the fluffy interior.

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Repurpose cold mashed potatoes into golden, crispy pan-fried cakes. These easy potato patties include cheese for extra flavor and make a perfect side dish or snack.

Ingredients

Scale
  • 3 cups cold leftover mashed potatoes
  • 1 large egg, lightly beaten
  • 1/2 cup all-purpose flour
  • 1/2 cup shredded sharp cheddar cheese
  • 1/4 cup grated Parmesan cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon garlic powder
  • 1/2 cup panko breadcrumbs (for dredging)
  • 1/4 cup all-purpose flour (for dredging)
  • Vegetable oil, for frying

Instructions

  1. In a medium bowl, combine the cold mashed potatoes, beaten egg, 1/2 cup flour, cheddar cheese, Parmesan cheese, salt, pepper, and garlic powder. Mix gently until just combined. Do not overmix.
  2. Place the 1/2 cup panko breadcrumbs and 1/4 cup flour in separate shallow dishes.
  3. Form the potato mixture into patties, about 1/2 inch thick and 3 inches wide.
  4. Dredge each patty first in the flour mixture, shaking off excess, then coat thoroughly in the panko breadcrumbs. Press the coating onto the patties firmly.
  5. Pour about 1/4 inch of vegetable oil into a large skillet and heat over medium-high heat until the oil shimmers (about 350°F).
  6. Carefully place the potato cakes into the hot oil, ensuring you do not overcrowd the pan. Work in batches if necessary.
  7. Fry for 3 to 4 minutes per side, until the exterior is golden brown and crispy.
  8. Remove the cakes from the skillet and place them on a wire rack or a plate lined with paper towels to drain excess oil.
  9. Serve immediately as a side dish or snack.

Notes

  • Use cold, firm mashed potatoes for the best results when forming the cakes.
  • For a loaded flavor, mix in 1/4 cup of finely chopped cooked bacon or chives with the potato mixture.
  • If you prefer not to fry, you can bake these at 400°F for 15 minutes, flipping halfway, but the texture will be less crispy.

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