Leftover Mashed Potato Pancakes, also known as potato farls, turn yesterday’s mashed potatoes into golden, buttery potato pancakes in just 10 minutes.

The Best Leftover Potato Pancakes
- Flavor: Homemade potato pancakes are buttery and savory with a tender middle and golden crisp edges.
- Why Make It: This recipe uses leftovers so it’s quick, easy, and versatile – serve for breakfast, lunch, dinner, or as a savory snack.
- Serving: As a side dish, serve with sour cream, shredded cheese, salsa, queso, guacamole, crumbled bacon bits, or sliced green onions. Top with a fried egg or shredded pork for a hearty main dish.
- Yield: This mashed potato pancake recipe makes 4 servings, cut into simple quarter wedges. The recipe is easy to double or triple for a crowd.
Potato Pancake Ingredients

- Potatoes: Use leftover mashed potatoes, pre-made mashed potatoes, or instant potatoes.
- Flour: White, whole wheat, or a combination of the two are necessary for adding body and color to mashed potato pancakes. Use your favorite gluten-free flour blend.
- Egg: A whisked egg will help hold the mixture together and make the edges extra crispy. Stir in some Cajun or Italian seasonings for a bump in bold flavor.
- Oil: Any oil variety works, or use melted bacon grease for a smoky flavor.
Variations
- Herbs: Add in some chopped chives, parsley, or scallions for extra flavor.
- Cheese: A little shredded cheddar or Parmesan can be mixed in, but be aware the pancakes may brown faster.
- Garlic: Use leftover garlic mashed potatoes for extra savory flavor which is perfect with roast chicken or beef.
- Gluten-Free: Try using gluten-free flour, adding just enough to make a soft dough.
- No Rolling Pin? Just flour your hands and press the dough into circles, then cut into quarters.

How to Make Potato Pancakes from Mashed Potatoes
- Mix warmed mashed potatoes with flour, butter, and salt until a soft dough forms.
- Knead lightly on a floured surface, then roll into circles. (Full recipe below.)
- Pan-fry in a lightly oiled skillet until golden and warmed through.

Tips for Best Results
- Warm the potatoes first because cold mashed potatoes are difficult to mix with flour.
- Don’t over-knead the dough. Mix just until the dough holds together for tender pancakes.
- Roll to ¼ to ½ inch thickness to ensure the pancakes brown quickly and get crispy.

Leftovers and Reheating
- Refrigerate cooled leftover potato pancakes in an airtight container for up to 4 days.
- Reheat potato cakes in a dry skillet, toaster, air fryer, or, in a pinch use the microwave.
- Freeze portions for up to 6 weeks between sheets of parchment paper.

More Cozy Potato Recipes
Have you tried this recipe for Leftover Mashed Potato Pancakes? Leave a comment and rating below!

Leftover Mashed Potato Pancakes
Equipment
Ingredients
- 1 pound potatoes cooked and mashed (or leftover Irish Champ or mashed potatoes), warmed
- ¾ cup plus 2 Tablespoons all purpose flour plus extra for flouring surface
- 2 Tablespoons butter softened
- ½ teaspoon salt
- 1 teaspoon oil
Instructions
- In a medium bowl, mix together mashed potatoes, flour, butter, and salt.
- Knead on a floured surface and roll into a circle, ¼-½ inch thick. Using a pizza cutter (or knife), cut into quarters.
- In a large skillet, heat the oil until it shimmers. Drop potato pancakes onto hot oil and cook until brown, about 2-3 minutes each side and warmed through.
Notes
- To reheat, fry in a dry skillet, toast in the toaster, reheat in the microwave or air fryer.
Nutrition Information
Nutrition information does not include optional ingredients or garnish and is an estimate. It may change based on actual ingredients and cooking methods used.
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These were a big hit with my wife and my rather picky father-in-law (both from Belfast). I used leftover Champ and fried them in a butter/oil mixture as I think it browns a bit better. I’m sure they’ll have me making these on a regular basis!
That makes me so happy to hear Chris! We LOVE using leftover Champ for this recipe.