We all know the feeling, right? You’ve made a beautiful, creamy batch of mashed potatoes, totally nailed the gravy, and now you’re staring at that bowl of cold, slightly sad leftovers the next day. What on earth are you going to do with them that isn’t just microwaving them until they weep? I used to dread the leftover stage, but then I discovered the pure joy of repurposing! These mashed potato cakes are the answer to every dull-sided-dish dilemma you’ve ever faced. They turn that boring mash into something truly special: crispy, flavorful, cheesy patties ready in about 20 minutes flat. This is comfort food reborn, and I promise, you’ll start making extra mash just so you can have these the next day! If you want to know a little more about my philosophy of finding joy in simple cooking, you can always check out my ‘About Me’ page.
- Why You Will Make These Crispy Mashed Potato Cakes
- Ingredients for Perfect Mashed Potato Cakes
- How to Prepare Crispy Leftover Mashed Potato Cakes
- Tips for the Best Mashed Potato Cakes Every Time
- Variations for Your Mashed Potato Cakes Recipe
- Serving Suggestions for Potato Side Dish Ideas
- Storage and Reheating Instructions for Leftover Mashed Potato Cakes
- Frequently Asked Questions About Mashed Potato Cakes
- Nutritional Snapshot of These Savory Cakes Recipes
Why You Will Make These Crispy Mashed Potato Cakes
Look, I know you have a million recipes competing for your attention, but these potato patties are different. They’re the ultimate kitchen hero! They tick every box when you need something fast, tasty, and budget-friendly. You won’t believe how satisfying it is to turn leftovers into something this exciting.
- They are incredibly fast! We’re talking about a side dish or quick snack ready in less than 25 minutes from start to finish.
- That texture contrast is everything: perfectly golden-brown and crispy potato cakes on the outside, but still fluffy and cheesy on the inside.
- They are budget-friendly magic! You’re making something brand new out of food that was heading for the back of the fridge.
- Minimal dishes, maximum reward. You mix everything in one bowl and fry them quickly in one skillet.
- They handle add-ins like a champ, so you can easily customize them depending on what cheese or herbs you have on hand.
- If you want the easiest possible way to use up that extra mash, this recipe for mashed potato cakes is your new go-to comfort food staple.
Ingredients for Perfect Mashed Potato Cakes
Okay, ingredient talk! Since we are relying on these leftovers to do some heavy lifting here, the quality and state of your mash matter a lot. You absolutely need your potatoes to be completely cold; room temperature just won’t cut it for binding. Think of them as little potato building blocks that need to be firm! If your original mash was a little thin, don’t worry, the flour and egg we add bulk everything up perfectly. If you want to see how I make my base mash when I’m planning ahead, check out my technique for fluffy garlic mashed potatoes. For these cakes, here is exactly what you need to gather up:
- 3 cups leftover mashed potatoes (and please, make sure they are cold from the fridge!)
- 1 large egg, lightly beaten—this is our glue!
- 1/2 cup all-purpose flour
- 1 cup shredded sharp cheddar cheese—I highly recommend sharp; it cuts through the richness!
- 1/4 cup chopped fresh chives (or green onions if chives are missing)
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup panko breadcrumbs (this is my secret bonus layer for maximum crispiness, entirely optional but highly encouraged)
- 3 tablespoons butter or cooking oil, for frying until everything is golden brown
How to Prepare Crispy Leftover Mashed Potato Cakes
Okay, here’s where the transformation happens! We’re moving from cold leftovers to hot, irresistible appetizers. The main thing I want you to remember is: gentle hands are key here. We want to bind everything without smashing the air out of that mash, even though it’s cold. If you’re having a busy night and need a quick win, these are perfect for weeknight dinner inspiration! Remember, finding ways to make food exciting again is why I started this site. You can read more about those busy corporate days on my weeknight dinner page.
Mixing the Mashed Potato Cakes Base
Grab your biggest bowl! Toss in the cold mash, the beaten egg, the flour, the cheese, and all those lovely seasonings—salt, pepper, and chives. Now, take a wooden spoon and mix these just until everything comes together. Seriously, stop mixing when you still see a few flour streaks. If you beat this too hard, you start developing gluten in the flour, and suddenly, your light patty becomes dense and gluey. We want light structure here!
Forming and Breading the Easy Potato Patties
Now we shape them. Scoop out about a quarter cup of the mix and gently press it into a patty about half an inch thick. Don’t try to make them too thin or they might break later! If you want those extra crunchy edges that make these such great crispy potato cakes, this is the time to use the panko. Lightly press both sides into the breadcrumbs. If you decided to toss in some crumbled bacon (a decadent choice!), it will stick right in with the cheese and chives right here.
Pan-Frying the Mashed Potato Cakes to Golden Perfection
Heat up your skillet over medium heat. You want enough butter or oil to coat the bottom nicely—we are shallow frying here, not deep frying. When the fat shimmers just a little, gently place your patties in the pan. Do not overcrowd them; give them space to breathe! Cook them for about 4 to 5 minutes on one side, without touching them! Then, flip carefully. Cook the second side for another 4 to 5 minutes until they are that perfect, deep golden brown. The timing is important to get that outside crunch while making sure the cheese inside gets soft and gooey.
Tips for the Best Mashed Potato Cakes Every Time
If you want these mashed potato cakes to be restaurant-quality, you need to treat the mash with respect! Rule number one, which I can’t repeat enough: they must be cold. Cold mash is firm; warm mash is soft and turns into potato soup when it hits the hot oil. Trust me, I learned this the hard way while trying to sneak leftovers out of the fridge too soon.
Next, pay attention to your exterior crunch. If you’re looking for that supreme golden-brown texture, the panko trick I mentioned is your best friend. But if you’re trying to keep things lighter or you just don’t want another pan to wash, the air fryer is amazing. You can check out my general guide to appetizers and snacks for air fryer timings, but generally, 375°F for about 10 to 12 minutes, flipping halfway, gets them perfectly crispy.
These little guys are pure comfort food success, and mastering the temperature is what takes them from good to great. You can see why I love simple comfort food recipes so much—they always deliver!
Variations for Your Mashed Potato Cakes Recipe
Part of the fun in the kitchen for me is taking a great base recipe and twisting it just a little bit to make it my own. These savory cakes are so adaptable! Because the foundation—the salty, fluffy potato—is so good, you can load it up with whatever flavors you have begging to be used up. Forget being stuck in a rut; let’s get creative with herbs and cheese!
Making Cheesy Mashed Potato Cakes Richer
Sharp cheddar is my go-to because it melts beautifully and has a nice punch, but don’t stop there! If you want to take these cheesy mashed potato cakes up a notch in the flavor department, try mixing in about a quarter cup of finely grated Parmesan cheese along with your cheddar. Parmesan adds this fantastic salty, nutty sharpness that elevates the whole thing.
For a meltier, milder center, you could use smoked Gouda or Monterey Jack. I often use a mix—say, half cheddar and half Jack—for the best of both worlds: flavor and stretch! Just make sure whatever cheese you use is shredded finely so it incorporates evenly into the cold potato mixture without clumping.
Incorporating Meats into Your Potato Patties
If you have some bits of leftover roasted chicken or maybe some crisp bacon you’ve been saving, these patties are the perfect vehicle for them. The key when adding any meat is making sure it’s fully cooked and, most importantly, *dry*. If you cook bacon, drain every speck of grease off it before crumbling it up; excess rendered fat acts like water, and we don’t want our patties falling apart.
When I’m adding bacon bits or even a tiny bit of crumbled cooked sausage, I mix it in right when I add the cheese and chives. You don’t want heavy, wet ingredients, so use meat sparingly—maybe a half cup maximum for a batch this size. Think of it as seasoning, not the main ingredient. It’s a great way to make these transition from a side dish into a hearty, quick snack!
Serving Suggestions for Potato Side Dish Ideas
You’ve done the work, you’ve got these gorgeous, crispy beauties hot off the skillet—now, what do you serve them with? These mashed potato cakes are so flavorful they honestly stand alone just fine, but serving them up with a killer dip or alongside the right main course makes them feel like a gourmet meal, not just leftovers!
Since they are savory and a little bit cheesy, you want accompaniments that offer contrast. A bright, acidic counterpoint cuts through that rich fried exterior perfectly. My absolute favorite thing to serve on the side is a simple dollop of sour cream mixed with a tiny bit of horseradish for a little zing. If you want something really show-stopping, you have to try dipping these into the Quick Whipped Ricotta Dip with Hot Honey I shared recently; the sweet heat magic with the salty potato is just unreal!
If you’re serving them as a more substantial side dish, they are wonderful next to something grilled or roasted. Think about a simple roast chicken or maybe pork chops. They become the superior potato side dish idea that everyone asks for seconds of!
And don’t forget dipping sauces! Ketchup is fine in a pinch, I guess, but you deserve better. A tangy comeback sauce (mayo, ketchup, chopped pickle relish—easy!) or even just a good quality sriracha mayo takes these potato patties to a whole new snack level.
Looking for more shared food moments? You can always check out what I’m cooking up over on my Facebook page!
Storage and Reheating Instructions for Leftover Mashed Potato Cakes
Now, the honest part of any leftover recipe: how do we store them so they don’t go from crispy delight to sad, soggy discs overnight? Luckily, these mashed potato cakes do really well in the fridge, but you have to be smart about reheating them if you want that beautiful golden crust back.
First thing’s first: cooling them down. Make sure the cakes are completely cool after frying before you put them away. Store them in a single layer in an airtight container. If you need to stack them, put a small piece of parchment or wax paper between each one. This stops them from sticking together and keeps that exterior texture from getting squished. They should be good in the fridge for about three to four days, totally fine.
When it comes to bringing them back to life, forget the microwave! I know it’s tempting because it’s fast, but the microwave basically steams the potato, and they will go limp on you instantly. That’s a texture crime, and we want crispy every time!
The best way to revive them is definitely back in a dry skillet over medium heat—just like when you made them initially. Give them about three minutes per side until they are piping hot throughout and that crust snaps back. If you’re making a big batch, the oven or air fryer is your friend. Pop them on a baking sheet at about 375°F (190°C) for about 8 to 10 minutes. You want them nice and hot and crispy again before serving. It mimics deep-frying brilliance without the extra oil!
Frequently Asked Questions About Mashed Potato Cakes
Whenever I share these recipes, I always get a flurry of questions, which is wonderful because it means people are excited to try them! Dealing with leftovers can sometimes feel tricky, but once you get the right ratio, you’re golden. I’ve collected the most common things people ask about when trying to master **how to make potato cakes with leftovers**.
Can I use fresh mashed potatoes instead of leftovers for these mashed potato cakes?
Honestly, the short answer is *yes*, but the long answer is, “Please don’t if you can avoid it!” The reason these cakes work so well for me is that the mash is cold and dense—it has less free moisture floating around, which means it binds beautifully with the egg and flour. Freshly made mash is usually warm, fluffy, and has retained a ton of steam moisture. If you absolutely must use fresh mash, you have to chill it down! Spread it thinly on a baking sheet and stick it in the freezer for 20 minutes, or the fridge for at least two hours. It needs to be really cold to hold its shape when you form the patties.
What is the best way to use leftover mash to prevent dry potato cakes?
You want to prevent your **fried mashed potato cakes** from tasting like crunchy cardboard, right? Dryness usually comes from two things: mash that didn’t have enough fat to begin with, or overcooking. In this recipe, we combat the fat issue by adding the egg and flour, which replaces structure. The egg provides moisture and binding, and the flour absorbs any residual minor moisture while cooking, preventing a collapse. Just make sure your initial mash wasn’t baked dry in the first place! If your mash was thin before, you might need to add just one extra teaspoon of flour to make sure those patties hold tight when pan-frying.
If you’re looking for more inspiration for simple recipes that use up pantry staples, you can always browse my full cooking blog index here!
Nutritional Snapshot of These Savory Cakes Recipes
Alright, let’s talk numbers for a quick second. I always feel a little weird putting exact nutritional data on comfort food like these **mashed potato cakes** because, let’s be honest, we aren’t making them for their low-calorie count! Plus, nutrition is so fluid, isn’t it?
The final count changes wildly based on whether you used butter or oil for frying, how sharp your cheddar cheese was, or if you decided to skip the optional panko crumbs for that extra crunch. So, please take this next part as a general guideline, not a concrete promise. Every ingredient brand varies, and serving sizes can be generous when the food tastes this good!
For complete transparency regarding how I handle data on this site, you can review my official disclosure policy. But for now, just enjoy these crispy, savory cakes knowing they are made from simple, real ingredients, which is always a win in my book!
PrintCrispy Leftover Mashed Potato Cakes with Cheddar and Chives
Transform your cold mashed potatoes into golden, crispy potato cakes filled with sharp cheddar and fresh chives. This easy recipe makes a perfect budget-friendly side dish or quick snack.
- Prep Time: 10 min
- Cook Time: 15 min
- Total Time: 25 min
- Yield: 8 servings 1x
- Category: Side Dish
- Method: Pan-Frying
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 3 cups leftover mashed potatoes (cold)
- 1 large egg, lightly beaten
- 1/2 cup all-purpose flour
- 1 cup shredded sharp cheddar cheese
- 1/4 cup chopped fresh chives
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup panko breadcrumbs (optional, for extra crispiness)
- 3 tablespoons butter or cooking oil, for frying
Instructions
- In a large bowl, combine the cold mashed potatoes, beaten egg, flour, shredded cheddar cheese, chopped chives, salt, and pepper. Mix gently until just combined. Do not overmix.
- If using panko breadcrumbs, spread them on a shallow plate.
- Scoop about 1/4 cup of the potato mixture and form it into a patty, about 1/2 inch thick. If you want extra crunch, lightly press both sides of the patty into the panko breadcrumbs.
- Heat the butter or oil in a large skillet over medium heat. The oil should coat the bottom of the pan.
- Carefully place the potato cakes into the hot skillet, ensuring you do not crowd the pan. Work in batches if necessary.
- Cook for 4 to 5 minutes per side, until the cakes are golden brown and crispy on the outside.
- Remove the cooked mashed potato cakes from the skillet and place them on a plate lined with paper towels to drain excess oil.
- Serve immediately as a delicious side dish or quick potato snack.
Notes
- Cold mashed potatoes work best as they hold their shape better when forming the cakes.
- For an air fryer method, lightly spray the patties with cooking spray and cook at 375°F (190°C) for 10-12 minutes, flipping halfway through.
- You can substitute bacon bits or cooked, crumbled bacon for some of the chives for a richer flavor.
Nutrition
- Serving Size: 2 cakes
- Calories: 220
- Sugar: 1
- Sodium: 350
- Fat: 12
- Saturated Fat: 7
- Unsaturated Fat: 5
- Trans Fat: 0
- Carbohydrates: 23
- Fiber: 1
- Protein: 7
- Cholesterol: 45



