How to Make Potato Cakes: 7 Easy, Crispy Steps for an Awesome Leftover Makeover

Table of Contents

• What Are Potato Cakes?
• Ingredients for Potato Cakes
• How to Make Potato Cakes (Step-by-Step Instructions)
• Tips for Perfect Potato Cakes
• Serving Suggestions and Variations
• FAQ: Potato Cakes and Arby’s Potato Cakes
• Key Takeaways

What Are Potato Cakes? (or Why Make Potato Cakes from Leftover Mashed Potatoes)

If you have leftover mashed potatoes sitting in the fridge, learning how to make potato cakes is one of the tastiest ways to turn them into a brand-new side dish or quick snack. Potato cakes are small, pan-fried patties made from seasoned mashed potatoes, bound with egg and a little flour, then cooked until crispy outside and fluffy inside.

People sometimes ask, what are potato cakes and how they differ from other potato recipes. Here is how they compare:

• Unlike latkes, which use shredded raw potatoes, mashed potato cakes use cooked potatoes (often potato cakes from mashed potatoes or leftover mash).
• Arby’s potato cakes were more like seasoned, deep-fried hash brown triangles, while homemade fried potato cakes are softer inside and easier to customize.
• Irish potato cakes traditionally use cooked potatoes and flour, often fried in butter, very similar to simple mashed potato cakes.

You will love these because they:

• Use potato cakes with leftover mashed potatoes so nothing goes to waste.
• Are ready in under 30 minutes, even if you have never tried a recipe for potato cakes before.
• Can be adapted into sweet potato cakes, loaded versions, or gluten-free potato cakes recipes.

Whether you call them mashed potato cakes, fried mashed potato cakes, or leftover mashed potato cakes, this dish is all about big comfort with very little effort.

Ingredients for Potato Cakes

Basic Ingredients (for about 10–12 small cakes)

Use this as a base potato cakes recipe and adjust to taste:

• 2 cups cold mashed potatoes (potato cakes from leftover mashed potatoes work best)
• 1 large egg
• 3–5 tablespoons all-purpose flour (start with 3, add more as needed)
• ½ cup shredded cheese (cheddar, mozzarella, or a mix)
• 2 tablespoons finely sliced green onions or chives
• ½ teaspoon garlic powder
• ½ teaspoon onion powder
• ½ teaspoon salt (adjust based on how salty your mashed potatoes are)
• ¼ teaspoon black pepper
• Oil for frying (vegetable, canola, or light olive oil)

Cold mashed potatoes hold together better, whether you are making classic potato cakes, sweet potato cakes, or Arby’s potato cakes–inspired patties. If your mash is very buttery or creamy, you may need a little extra flour to firm it up.

Optional Add-Ins and Flavor Boosters

You can turn basic mashed potato cakes into something special with these extras:

• Cooked bacon bits or ham pieces
• Extra shredded cheese (pepper jack, parmesan, gruyère)
• Fresh herbs: parsley, dill, thyme, cilantro
• Finely chopped veggies: bell pepper, grated carrot, corn, peas
• Spices: smoked paprika, chili flakes, curry powder, Italian seasoning

For mashed potato cakes recipe variations, just fold in your add-ins after the base mixture is combined. For gluten-free fried potato cakes, swap the flour for cornstarch or a 1:1 gluten-free blend (and check that your leftover mash is gluten-free).

How to Make Potato Cakes (Step-by-Step Instructions)

This section walks you through exactly how to make potato cakes from mashed potatoes in seven simple steps.

Step 1: Start with Cold Mashed Potatoes

1. Take your leftover mashed potatoes out of the fridge.
2. If they are very stiff, let them sit for 5–10 minutes so you can mix them easily.
3. This works whether you want potato cakes from mashed potatoes you made yesterday or store-bought mash.

Cold mash is crucial if you are wondering how to make potato cakes from leftover mashed potatoes that do not fall apart. Warm mash tends to be too soft and sticky.

Step 2: Mix in the Egg and Seasonings

1. In a large bowl, add mashed potatoes, egg, salt, pepper, garlic powder, onion powder, and green onions.
2. Stir until everything is evenly combined.
3. Taste a small bit (before adding flour) and adjust salt or pepper.

If you ask “how do I make potato cakes taste like loaded baked potatoes?”, this is where you add cheese, bacon, or herbs.

Step 3: Add Flour Gradually

1. Sprinkle in 3 tablespoons of flour and mix.
2. The mixture should be thick, not runny—similar to soft cookie dough.
3. If it is still too loose or sticky, add flour 1 tablespoon at a time.

This is the key step if you are asking how to make mashed potato cakes that hold their shape. For very thin or “saucy” leftover mash, you may need more flour; for dry mash, less.

Step 4: Shape the Potato Cakes

1. Scoop about 2 tablespoons of mixture and roll into a ball.
2. Gently flatten into a patty about ½ inch thick.
3. Place shaped patties on a parchment-lined tray or plate.

If they feel sticky, lightly dust your hands with flour. This helps with any potato cakes recipe, from basic to Irish potato cakes.

Step 5: Chill the Patties (Optional but Helpful)

1. Place the tray in the fridge for 15–20 minutes.
2. Chilling helps the flour hydrate and the patties firm up.
3. This step is especially useful for fried mashed potato cakes with lots of cheese.

You can skip this if you are in a hurry, but if your question is “how do you make potato cakes that never fall apart?”, chilling is your best friend.

Step 6: Fry Until Golden and Crispy

1. Heat a large skillet over medium heat and add a thin layer of oil.
2. Once the oil shimmers, gently lay the patties in the pan without crowding.
3. Fry for 3–4 minutes per side, until deep golden brown and crisp.

If you ask how to make fried potato cakes that are not greasy, keep the heat at medium so they brown slowly and cook through without burning. Add more oil as needed between batches.

Step 7: Drain and Serve

1. Transfer cooked potato cakes to a plate lined with paper towels to drain.
2. Sprinkle with a little salt while hot.
3. Serve immediately with your favorite dips or toppings.

That is the basic method for anyone wondering how do you make fried potato cakes from leftover mash. The same process works for classic potato cakes arby’s style (triangular, slightly thinner) if you shape them accordingly.

Oven or Air Fryer Option

If you prefer baking and find yourself asking how do you make potato cakes in the oven? or how to make potato cakes in the oven instead of frying:

• Preheat oven to 220∘C220∘C (425°F).
• Line a baking sheet with parchment and brush or spray with oil.
• Place patties on the sheet, lightly brush the tops with oil.
• Bake 10–12 minutes per side, until crisp and golden.

For an air fryer, cook at 200∘C200∘C (390°F) for 8–10 minutes per side, lightly greasing both the basket and patties.

Tips for Perfect Potato Cakes

This section covers common mistakes and pro tips so you can always answer “how do you make potato cakes from mashed potatoes successfully?”

Common Mistakes and Fixes

• Mixture too runny: Add more flour, 1 tablespoon at a time, until patties hold shape.
• Cakes fall apart in the pan: Use colder mash, chill the shaped patties, and do not flip too early.
• Gummy texture: Use less flour and avoid overmixing; mash that was overworked can become gluey.
• Greasy cakes: Oil was too cool. Preheat the pan properly and fry over medium heat.
• Burnt outside, raw inside: Heat was too high; lower the temperature and cook a bit longer.

If you are wondering how do you make potato cakes out of mashed potatoes that are gluten-free, use cornstarch or gluten-free flour, and double-check seasonings like gravy mixes that might contain gluten.

Pro Tips for Best Results

• Always start with cold mashed potatoes, especially for potato cakes with leftover mashed potatoes.
• Add flour gradually; every batch of leftovers is different.
• Do not crowd the pan; fry in batches for evenly crisp fried potato cakes.
• Use a non-stick or well-seasoned skillet to reduce sticking.
• For extra-crispy edges, lightly dust shaped patties in flour just before frying.

You can also make sweet potato cakes by swapping part or all of the mashed potatoes with mashed sweet potato; you may need a bit more flour because sweet potatoes are softer.

Frying vs. Baking vs. Air Frying

• Pan-fried: Classic, crisp outside and fluffy inside; ideal if you want fried mashed potato cakes similar to diner-style sides.
• Oven-baked: Lighter and hands-off; good if you are making a big batch as a potato cakes recipe for a family dinner.
• Air-fried: Very crispy with less oil; great for quick snacks.

Serving Suggestions and Variations

Once you know how to make potato cakes out of leftover mashed potatoes, you can serve them in many fun ways.

Toppings and Dips

• Sour cream and chopped green onions
• Greek yogurt with lemon and herbs
• Ketchup, barbecue sauce, or ranch dressing
• Garlic aioli or spicy mayo
• Grated cheese and crispy bacon bits

What to Serve with Potato Cakes

• Breakfast: Serve with fried or scrambled eggs, bacon, and sautéed mushrooms.
• Lunch: Pair with a green salad, tomato soup, or roasted veggies.
• Dinner: Use as a side for grilled chicken, steak, or baked fish.
• Snack: Serve smaller potato cakes recipes as bite-size appetizers with dips.

Flavor Variations to Try

• Loaded potato cakes: Add bacon, cheddar, and green onions.
• Mexican-style: Add corn, black beans, cumin, chili powder, and serve with salsa.
• Veggie-packed: Fold in grated carrot, peas, and finely chopped spinach.
• Irish-inspired: Turn them into Irish potato cakes by frying in butter and serving with sausages and baked beans.
• Arby’s-inspired: Shape into triangles, season with a little extra onion and garlic powder, and bake or fry until very crisp to mimic arby’s potato cakes.

You can also make potato cakes from leftover mashed potatoes with different cheeses such as parmesan or feta, which adds a salty, tangy edge.

FAQ: Potato Cakes and Arby’s Potato Cakes

Q1: How do you make potato cakes from mashed potatoes for beginners?
A: Combine cold mashed potatoes with egg, seasonings, and flour, shape into patties, then fry in medium-hot oil until golden. If you ask how do you make potato cakes out of mashed potatoes without them falling apart, the key is cold mash plus enough flour and not flipping too early.

Q2: How do you make potato cakes from leftover mashed potatoes in the oven?
A: For anyone asking how do you make potato cakes in the oven? or how to make potato cakes out of leftover mashed potatoes without frying, preheat to 220∘C220∘C (425°F), place lightly oiled patties on a parchment-lined tray, brush tops with oil, and bake 10–12 minutes per side until crisp.

Q3: Are Arby’s potato cakes gluten free?
A: Most sources indicate Arby’s potato cakes contained wheat-based ingredients, so they were typically not gluten-free. If you need gluten-free potato cakes arby’s style at home, use gluten-free flour or cornstarch and check that your mashed potatoes and seasonings are all gluten-free.

Q4: Does Arby’s still have potato cakes? / Does Arby’s have potato cakes now?
A: Many fans ask does Arby’s still have potato cakes because they remember them fondly. In many locations, Arby’s has discontinued potato cakes in favor of other sides, though availability can vary by region and over time, so check your local menu to see if arbys potato cakes are still offered.

Q5: Can I make potato cakes without egg or flour?
A: Yes, but the texture changes. To answer “how do you make potato cakes from mashed potatoes without flour?”, use very stiff mash, extra cheese, and perhaps a spoonful of cornstarch. For egg-free, rely on cheese and slightly more flour or starch for binding.

Q6: How do you store and reheat leftover potato cakes?
A: Cool completely, then store in an airtight container in the fridge for up to 3–4 days. Reheat in a skillet, oven, or air fryer so fried potato cakes crisp back up; microwaving alone can make them soft.

Key Takeaways

• Use cold leftover mash for the best potato cakes from leftover mashed potatoes.
• Add flour gradually until the mixture is thick enough to shape.
• Fry in medium-hot oil for crispy fried potato cakes that do not fall apart.
• You can bake or air fry if you prefer a lighter potato cakes recipe.
• Customize with cheese, herbs, bacon, or veggies for endless mashed potato cakes variations.

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