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Leftover Mashed Potato Cheese Puffs

Cheesy Leftover Mashed Potato Puffs are crispy on the outside, fluffy inside, and packed with gooey cheese. A simple, budget-friendly way to turn cold mashed potatoes into an irresistible snack or side dish.

Ingredients
  

For the main mixture:

  • 2 cups cold or room temperature leftover mashed potatoes
  • 1 cup shredded sharp or medium cheddar cheese
  • ½ cup shredded mozzarella cheese
  • ¼ cup grated Parmesan cheese
  • ¼ cup chopped green onions or chives
  • 1 large egg
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and black pepper to taste
  • 1 tablespoon chopped fresh parsley optional
  • 2 tablespoons sour cream or Greek yogurt

For the breading (optional):

  • 1 cup Panko or regular breadcrumbs
  • ½ teaspoon paprika
  • ¼ teaspoon dried oregano
  • 2 tablespoons grated Parmesan cheese
  • 1 large egg beaten
  • ½ cup all-purpose flour

Optional add-ins:

  • Cooked crumbled bacon
  • Chopped jalapeño or chili flakes
  • Minced sautéed onions or caramelized shallots
  • Shredded cooked chicken

Instructions
 

  • In a large bowl, mix mashed potatoes, cheeses, egg, garlic and onion powder, parsley, sour cream or Greek yogurt, and green onions.
  • Add any extras and stir until thick enough to hold shape. Scoop with a spoon or cookie scoop, roll into 1–1½ inch balls, and flatten slightly.
  • Place on a lined baking sheet; chill 20 minutes if breading.
  • For breading, roll each puff in flour, dip in beaten egg, and coat with a breadcrumb mixture of Panko, Parmesan, paprika, and oregano.