Cold leftover mashed potatoes sitting in your fridge do not have to go to waste tonight.
This Air Fryer Mashed Potato Cakes Recipe turns them into golden, crispy patties with soft, fluffy centers in under thirty minutes.
No deep fryer, no mess, no standing over a hot skillet flipping patties one at a time.
Just a simple mix of potatoes, cheese, and a few pantry staples, shaped into cakes and crisped up beautifully in the air fryer.
I first made these on a Sunday night after a big roast chicken dinner left me with way more mashed potatoes than anyone could finish. .
Instead of reheating plain mashed potatoes again, I turned them into something new entirely, and my family asked for them again the very next week.
If you already love my Mashed Potato Pancakes, this air fryer version gives you that same crispy edge with even less oil and cleanup.
| Quick Recipe Summary | |
|---|---|
| Prep Time | 15 minutes |
| Cook Time | 16 minutes |
| Total Time | 31 minutes |
| Servings | 10 potato cakes |
| Difficulty Level | Easy |
Why You’ll Love This Air Fryer Mashed Potato Cakes Recipe
This recipe takes something you already have on hand and turns it into a completely different meal. It is the easiest way to make leftovers feel brand new again.
The air fryer does all the heavy lifting here. You get that deep fried crunch on the outside without a single drop of oil splattering on your stovetop.
These potato cakes also fit into almost any meal of the day. Serve them alongside eggs for breakfast, as a side for dinner, or on their own with a dip for snack time.
They come together with basic ingredients, which means no last minute grocery runs.
If you love turning simple ingredients into something special, you will also enjoy my Mashed Potato Balls.
- Ready in about 30 minutes from start to finish
- Uses up leftover mashed potatoes so nothing goes to waste
- Crispy outside, soft and fluffy inside
- Made with minimal oil compared to traditional pan frying
- Kid friendly and easy to customize with different mix ins
- Freezer friendly for meal prep
Ingredients
Every ingredient here plays a role in getting these potato cakes to hold their shape and crisp up perfectly.
Cold mashed potatoes are key, since they hold together far better than warm ones.
- 3 cups cold mashed potatoes (leftover or freshly made and chilled)
- 2 large eggs, beaten
- 3/4 cup all purpose flour, plus more as needed
- 1/2 cup shredded cheddar cheese
- 1/4 cup grated parmesan cheese
- 2 cloves garlic, minced
- 2 tablespoons chopped fresh chives, plus more for garnish
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- Salt and black pepper, to taste
- 1 cup panko bread crumbs, for coating
- Avocado oil spray, for the air fryer basket
Read Also: Mashed Potato Fritters Recipe
Kitchen Equipment Needed
You likely already own most of these items. A few key tools make shaping and cooking the potato cakes much easier.
- Air fryer
- Large mixing bowl
- Cookie scoop
- Silicone spatula
- Measuring cups and spoons
- Kitchen tongs
- Cutting board and chef’s knife
- Cooling rack
This same air fryer gets a serious workout with my Air Fryer Mashed Potato Balls, so it is worth having on hand.
Recommended Products for This Recipe
These are products I personally use and recommend after making this recipe more times than I can count.
None of these are required, but they genuinely make the process smoother.
1. Basket Style Air Fryer
A basket style air fryer with a wide, flat surface gives these potato cakes plenty of room to crisp evenly on both sides.
I like models with a see through window so I can check on browning without opening the basket and losing heat.
2. Stainless Steel Cookie Scoop
Using a cookie scoop keeps every potato cake the exact same size, which means they all cook through at the same rate.
It also cuts down on the mess of shaping patties by hand.
3. Parmigiano Reggiano Parmesan Cheese
A wedge of real Parmigiano Reggiano melts and browns differently than the pre-shredded bags, giving these potato cakes a deeper, nuttier flavor.
Grating it fresh also helps the mixture bind together better.
4. Non-Stick Cooling Rack
Setting the finished potato cakes on a cooling rack instead of a plate keeps the bottoms from turning soggy as they rest.
It is a small step that makes a big difference in texture.
Step-by-Step Instructions: How to Make Air Fryer Mashed Potato Cakes
1. Mix the Potato Base
- In a large mixing bowl, add the 3 cups of cold mashed potatoes.
- Crack in the 2 beaten eggs and stir them into the potatoes until fully combined.
- Add the minced garlic, garlic powder, onion powder, salt, and black pepper.
- Stir everything together until the seasoning is evenly distributed throughout the mixture.
Cold mashed potatoes make this step so much easier than trying to work with anything freshly made and warm. If you need a base recipe, my Leftover Mashed Potato Recipes guide has plenty of ideas for using up extras like this one.
2. Fold in the Cheese and Chives
- Add the shredded cheddar cheese and grated parmesan cheese to the potato mixture.
- Sprinkle in the chopped fresh chives.
- Gently fold everything together with a spatula so the cheese and chives are evenly spread out.
3. Add the Flour
- Sprinkle the 3/4 cup of flour over the potato mixture.
- Stir until a thick, scoopable dough forms.
- If the mixture still feels too wet or sticky to hold its shape, add more flour one tablespoon at a time.
- The dough should be firm enough to hold together when pressed into a patty.
For a smoother, extra creamy base to start from, my Garlic Mashed Potatoes works especially well in this recipe.
4. Shape the Patties
- Use a 1/4 cup cookie scoop to portion out the potato mixture.
- Roll each portion into a ball, then gently flatten it into a patty about half an inch thick.
- Set each patty aside on a plate or tray as you work through the rest of the mixture.
- Rinse your hands with cold water occasionally, since the mixture can get sticky as you shape it.
5. Coat in Panko
- Pour the panko bread crumbs onto a plate or shallow dish.
- Press each potato patty gently into the panko, coating both sides and the edges evenly.
- Set the coated patties back on the tray until you are ready to air fry them.
The panko coating is what gives these cakes their signature crunch, something you will also notice in my Creamy Mashed Potatoes when turned into leftovers the next day.
6. Air Fry the Potato Cakes
- Preheat your air fryer to 400 degrees Fahrenheit for about 3 minutes.
- Lightly spray the air fryer basket with avocado oil spray.
- Arrange the patties in a single layer, leaving space between each one so air can circulate.
- Spray the tops of the patties lightly with more oil spray.
- Air fry for 8 minutes, then carefully flip each patty using tongs.
- Spray the newly exposed side and continue air frying for another 6 to 8 minutes, until both sides are deep golden brown and crispy.
- Work in batches if your air fryer basket cannot fit all the patties in a single layer.
Tips for The Best Air Fryer Mashed Potato Cakes
A few small details make the difference between potato cakes that fall apart and ones that hold together perfectly with a crispy shell.
- Always use cold mashed potatoes straight from the fridge, since warm potatoes make the mixture too loose to shape.
- Do not skip the flour, since it is what helps the patties hold their shape while cooking.
- Avoid overcrowding the air fryer basket, which traps steam and prevents a crispy exterior.
- Spray both sides of the patties generously with oil for the most even browning.
- Let the patties rest for 2 to 3 minutes after air frying before serving, since they firm up slightly as they cool.
If your potatoes tend to be on the softer side, a batch of my Mashed Potato Casserole makes a firmer base that holds together especially well here.
For a second batch with a different texture entirely, you could always start with my Mashed Potato Soup and save half the potatoes before adding the liquid.
Serving Suggestions
These potato cakes are versatile enough to fit into almost any meal. I love serving them warm with a dollop of sour cream and a sprinkle of extra chives on top.
They also make a fantastic side dish for a weeknight dinner or a fun addition to a weekend brunch spread.
- Top with sour cream, green onions, and crispy bacon bits
- Serve alongside a simple green salad for a lighter lunch
- Pair with Roast Chicken with Potatoes for a comforting family dinner
- Add a fried or poached egg on top for a hearty breakfast
- Dip in ranch dressing or spicy ketchup as a snack
They also pair beautifully with a classic like Meatloaf and Mashed Potatoes if you want to double up on comfort food for the night.
Variations of Air Fryer Mashed Potato Cakes
This recipe is easy to customize based on what you have in the fridge or what flavors you are craving.
Think of the base recipe as a starting point rather than a strict formula.
- Swap cheddar for pepper jack cheese for a spicy kick
- Mix in crumbled cooked bacon for extra richness
- Use sweet potatoes in place of regular mashed potatoes for a sweeter version, similar to my Air Fryer Sweet Potato Fries
- Add finely diced ham for a heartier, meal sized cake
- Stir in corn kernels for added texture and sweetness
- Try a cheesy version inspired by my Scalloped Potatoes by layering thin cheese slices in the center of each patty before shaping
Storage and Reheating
These potato cakes store well, which makes them great for meal prep or planned leftovers.
Let them cool completely before storing to avoid trapping steam and turning the panko coating soft.
- Refrigerate in an airtight container for up to 4 days
- Freeze on a tray until solid, then transfer to a freezer bag for up to 2 months
- Reheat in the air fryer at 375 degrees Fahrenheit for 4 to 6 minutes until warmed through and crispy again
- Avoid microwaving if possible, since it will make the coating soft instead of crispy
For more ways to stretch a batch of potatoes across the week, check out my Cheesy Au Gratin Potatoes, which also reheats beautifully in the air fryer.
Nutritional Facts
Nutrition will vary slightly depending on the exact ingredients and portion sizes used.
Here is an approximate breakdown per potato cake, based on a batch of 10.
- Calories: 145
- Protein: 5g
- Carbohydrates: 18g
- Fat: 6g
- Fiber: 1g
- Sodium: 210mg
For a lighter alternative in the same potato family, my Sweet Potato Casserole offers a different nutritional profile worth comparing.
Health Benefits of Key Ingredients
While these potato cakes are certainly a comfort food, several of the ingredients bring genuine nutritional value to the table.
Potatoes themselves are more nutrient dense than many people realize.
Garlic and chives also add more than flavor, contributing beneficial plant compounds along with their signature taste.
- Potatoes provide potassium, vitamin C, and fiber, especially when the skins are included in the mash
- Eggs contribute high quality protein that helps the patties hold together and adds staying power to the meal
- Garlic contains allicin, a compound linked to immune supporting properties
- Chives offer small amounts of vitamin K and antioxidants
- Cheese adds calcium and additional protein to round out the dish
If you enjoy pairing potatoes with other nutrient rich vegetables, my Garlic Parmesan Roasted Potatoes is another great option to add into your weekly rotation.
You might also enjoy: Potato Salad
FAQs About Air Fryer Mashed Potato Cakes
1. Can I use instant mashed potatoes for this recipe?
Yes, instant mashed potatoes work fine as long as they are made a bit thicker than usual and chilled before mixing.
Just be sure to season them well, since instant potatoes tend to be milder in flavor than homemade.
2. Why are my potato cakes falling apart in the air fryer?
This usually means the mixture needed more flour or the patties were not chilled long enough before cooking.
Try adding an extra tablespoon of flour and letting the shaped patties rest in the fridge for 15 minutes before air frying.
3. Can I make these ahead of time?
Absolutely, you can shape the patties up to a day in advance and store them covered in the fridge until you are ready to cook.
This actually helps them hold together even better once they hit the air fryer.
4. What can I use instead of panko bread crumbs?
Regular bread crumbs work as a substitute, though the coating will be slightly less crunchy.
Crushed cornflakes or crushed crackers are also good alternatives if that is what you have on hand.
5. Do I need to flip the patties halfway through cooking?
Yes, flipping halfway through ensures both sides get that even golden crust. Skipping this step usually results in one side staying pale and slightly soft.
For more troubleshooting tips on getting potatoes just right, my Mashed Potatoes and Gravy post covers a lot of the same texture questions.
Air Fryer Mashed Potato Cakes
Ingredients
- 3 cups cold mashed potatoes leftover or freshly made and chilled
- 2 large eggs beaten
- 3/4 cup all purpose flour plus more as needed (about 100g)
- 1/2 cup shredded cheddar cheese about 55g
- 1/4 cup grated parmesan cheese freshly grated, about 25g
- 2 cloves garlic minced
- 2 tablespoons fresh chives chopped, plus more for garnish
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- salt to taste
- black pepper to taste
- 1 cup panko bread crumbs for coating (about 60g)
- avocado oil spray for the air fryer basket
- sour cream to serve
- green onions sliced, for garnish
- crispy bacon bits optional
- ranch dressing for dipping
- spicy ketchup for dipping
Equipment
- Air fryer basket style with a wide, flat surface
- Large mixing bowl
- Cookie scoop 1/4 cup size recommended
- Silicone spatula
- Measuring cups and spoons
- Kitchen tongs
- Cutting board and chef’s knife
- Cooling rack non-stick, to keep bottoms from turning soggy
Method
- In a large mixing bowl, add cold mashed potatoes. Add beaten eggs and stir until fully combined, then mix in minced garlic, garlic powder, onion powder, salt, and pepper until evenly distributed.
- Add shredded cheddar, grated parmesan, and chopped chives to the potato mixture. Gently fold with a spatula until evenly combined.
- Sprinkle flour over the mixture and stir until a thick, scoopable dough forms. If too wet, add more flour one tablespoon at a time until firm enough to hold its shape.
- Using a 1/4 cup cookie scoop, portion out the mixture. Roll each portion into a ball, then gently flatten into a patty about half an inch thick. Set aside on a plate or tray.
- Pour panko bread crumbs onto a plate or shallow dish. Press each patty gently into the panko, coating both sides and edges evenly. Set back on the tray until ready to cook.
- Preheat air fryer to 400°F for 3 minutes. Lightly spray the basket with oil and arrange patties in a single layer with space between each. Spray tops with oil and air fry for 8 minutes.
- Carefully flip each patty using tongs, spray the newly exposed side, and air fry for another 6 to 8 minutes until deep golden brown and crispy on both sides.
Nutrition
Notes
- Always use cold mashed potatoes straight from the fridge for this recipe. Warm potatoes make the mixture too loose to hold its shape while shaping and cooking.
- Do not skip the flour or reduce the amount. It is essential for helping the patties hold their shape and stay together during air frying.
- Avoid overcrowding the air fryer basket, which traps steam and prevents a crispy exterior from forming. Cook in batches if necessary.
- Spray both sides of the patties generously with oil for the most even browning and crispiest results.
- Let the cooked patties rest for 2 to 3 minutes after air frying before serving. They firm up slightly as they cool, making them easier to handle and eat.
- Feel free to customize the cheese and mix-ins. Pepper jack, mozzarella, or crumbled cooked bacon are delicious alternatives.
- For make-ahead convenience, shape the patties up to a day in advance and store them covered in the refrigerator. This helps them hold together even better.
- To freeze, arrange shaped and breaded patties on a tray and freeze until solid, then transfer to a freezer bag for up to 2 months. Cook directly from frozen, adding a few extra minutes to the air frying time.
- Reheat leftovers in the air fryer at 375°F for 4 to 6 minutes to restore crispiness. Avoid microwaving as it will make the coating soft instead of crispy.
Private Notes
Tried this recipe?
Let us know how it was!Conclusion
These Air Fryer Mashed Potato Cakes are proof that leftovers can be just as exciting as the original meal.
Crispy on the outside, soft and cheesy in the middle, they disappear fast whenever I make them.
Give this recipe a try the next time you have extra mashed potatoes sitting in the fridge.
I would love to hear how yours turn out, so drop a comment below or share a photo if you make them at home.
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