These crispy mashed potato cakes are the ultimate way to transform leftover mashed potatoes into something absolutely irresistible. Golden and crunchy on the outside, soft and creamy on the inside, every bite is packed with buttery potato flavor, savory parmesan, and the perfect crispy panko coating.
If you’ve ever wondered what to do with leftover mashed potatoes, this easy recipe is the answer. They’re quick to make, incredibly comforting, and perfect as a side dish, appetizer, or even breakfast with eggs on top.
Why You’ll Love These Potato Cakes
Crispy Outside, Creamy Inside
The contrast between the crunchy coating and fluffy potato center is unbeatable.
Perfect for Leftovers
An easy and delicious way to use up leftover mashed potatoes.
Quick & Easy
Ready in about 25 minutes from start to finish.
Packed with Flavor
Parmesan cheese, garlic, onion powder, and buttery potatoes make these incredibly savory.
Family Friendly
Everyone loves crispy potatoes — especially when topped with sour cream and chives.
What Makes These Potato Cakes So Good?
The secret is using:
- Cold mashed potatoes
- Parmesan cheese
- Crispy panko breadcrumbs
- A hot skillet
Cold mashed potatoes hold together better and create a fluffy interior while the parmesan-panko coating becomes beautifully golden and crisp.
Ingredients You’ll Need
Leftover Mashed Potatoes
Cold mashed potatoes work best for structure and texture.
Egg
Helps bind the mixture together.
Flour
Adds stability so the cakes hold their shape.
Baking Powder
Creates a slightly lighter texture.
Garlic Powder & Onion Powder
Adds savory flavor.
Panko Breadcrumbs
Creates the crispy golden crust.
Parmesan Cheese
Adds rich flavor and helps with browning.
Olive Oil
Used for pan frying until perfectly crispy.
Sour Cream & Chives
Optional toppings that make them even more delicious.
How to Make Mashed Potato Cakes
These come together surprisingly fast.
Step 1: Make the Potato Mixture
In a bowl combine:
- Mashed potatoes
- Egg
- Flour
- Baking powder
- Garlic powder
- Onion powder
- Salt
- Pepper
Mix gently until combined.
Avoid overmixing so the potatoes stay light and fluffy.
Step 2: Form the Cakes
Scoop portions of the mixture and shape into small round patties.
If the mixture feels too soft, add a little more flour.
Step 3: Prepare the Coating
In a shallow bowl combine:
- Panko breadcrumbs
- Parmesan cheese
Coat each potato cake lightly on both sides.
Step 4: Pan Fry Until Golden
Heat olive oil in a skillet over medium heat.
Cook the potato cakes until:
- Golden brown
- Crispy
- Heated through
Usually about 2 minutes per side.
Step 5: Serve Warm
Top with:
- Sour cream
- Fresh chives
- Crispy bacon
- Green onions
Serve immediately while crispy.
Tips for the Best Potato Cakes
Use Chilled Mashed Potatoes
Fresh mashed potatoes are too soft and won’t hold together as well.
Don’t Overmix
Overworking potatoes can make them gummy.
Use Fresh Parmesan
Freshly grated parmesan melts and browns much better.
Keep the Pan Hot
A properly heated skillet creates the crispiest crust.
Fry in Batches
Avoid overcrowding the skillet.
Delicious Variations
Add Bacon
Crispy bacon bits make these even better.
Make Them Spicy
Add paprika or cayenne pepper.
Try Different Herbs
Use:
- Parsley
- Basil
- Green onions
- Dill
Switch the Cheese
Try:
- Romano
- Gruyère
- Sharp cheddar
Can I Make Them Gluten-Free?
Yes!
Simply substitute:
- Gluten-free flour
- Gluten-free panko breadcrumbs
The results are still crispy and delicious.
What to Serve with Potato Cakes
These pair perfectly with:
- Fried eggs
- Grilled chicken
- Steak
- Roasted vegetables
- Sour cream dips
- Breakfast dishes
They also make a fantastic appetizer or brunch side.
Storage Tips
These are best enjoyed fresh and crispy.
However, leftovers can be stored in the refrigerator for up to 2 days.
Reheat in:
- A skillet
- Air fryer
- Oven
to bring back the crispiness.
Frequently Asked Questions
Can I use instant mashed potatoes?
Fresh homemade mashed potatoes work best for flavor and texture.
Can I freeze potato cakes?
Yes. Freeze after cooking and reheat in the oven or air fryer.
Why are my potato cakes falling apart?
Your mashed potatoes may be too soft. Add a little more flour if needed.
Can I bake instead of fry?
Yes, though frying gives the crispiest texture.
Why Everyone Loves This Recipe
These mashed potato cakes are:
- Crispy
- Buttery
- Comforting
- Easy to make
- Perfect for leftovers
- Packed with flavor
They’re one of those simple recipes that instantly become a family favorite after the first bite.
More Potato Recipes You’ll Love
- Scalloped Potatoes
- Roasted Potatoes
- Smashed Potatoes
- Baked Potato
Crispy Mashed Potato Cakes Recipe
Ingredients
- 2 cups leftover mashed potatoes
- 1 egg
- ⅓ cup flour
- ½ teaspoon baking powder
- ¼ teaspoon garlic powder
- ¼ teaspoon onion powder
- Salt and pepper
- ½ cup panko breadcrumbs
- ½ cup parmesan cheese
- 3 tablespoons olive oil
- Sour cream and chives for serving
Instructions
- Combine mashed potatoes, egg, flour, baking powder, and seasonings.
- Shape into small patties.
- Mix panko and parmesan in a shallow bowl.
- Coat potato cakes on both sides.
- Pan fry in olive oil until golden brown and crispy.
- Serve warm with sour cream and chives.