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Ultimate Crispy Ham and Cheese Potato Croquettes

A stack of golden brown, crispy potato croquettes, one cut open to show a creamy filling with bits of ham.

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Make these crispy, golden potato croquettes using leftover mashed potatoes. They feature a creamy, cheesy interior with bits of ham, perfect as an appetizer or side dish.

Ingredients

Scale
  • 3 cups leftover mashed potatoes (cold)
  • 1 cup shredded sharp Cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup finely diced cooked ham
  • 1 large egg, lightly beaten
  • 1/4 cup all-purpose flour
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 cup panko breadcrumbs
  • Vegetable oil, for frying (about 3 cups)

Instructions

  1. In a large bowl, combine the cold mashed potatoes, Cheddar cheese, Parmesan cheese, diced ham, beaten egg, salt, and pepper. Mix gently until just combined. Do not overmix.
  2. Place the flour on one shallow plate and the panko breadcrumbs on another shallow plate.
  3. Scoop about 2 tablespoons of the potato mixture and shape it into a small log or ball, about 2 inches long.
  4. Dredge each croquette first in the flour, shaking off any excess.
  5. Next, roll the floured croquette in the panko breadcrumbs, pressing lightly so the crumbs adhere completely. Place the coated croquettes on a baking sheet lined with parchment paper.
  6. Chill the formed croquettes in the refrigerator for at least 30 minutes to help them hold their shape during frying.
  7. Heat about 3 inches of vegetable oil in a deep, heavy-bottomed pot or Dutch oven to 350°F (175°C). Use a thermometer to monitor the temperature.
  8. Carefully place 4 to 5 croquettes into the hot oil, ensuring you do not overcrowd the pot.
  9. Fry for 3 to 4 minutes, turning occasionally, until they are deep golden brown and crispy on all sides.
  10. Remove the croquettes with a slotted spoon and place them on a wire rack set over a paper towel-lined plate to drain excess oil.
  11. Serve the potato croquettes immediately while hot.

Notes

  • For an air fryer method, spray the chilled, breaded croquettes lightly with cooking spray. Air fry at 390°F (199°C) for 10 to 12 minutes, flipping halfway through, until golden brown and crisp.
  • You can substitute cooked crumbled bacon or shredded mozzarella for the ham and Cheddar, respectively.
  • If you do not have leftover mashed potatoes, prepare a batch of plain, dry mashed potatoes (avoid adding too much milk or butter) and chill them thoroughly before starting.

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