These Crispy Parmesan Smashed Potatoes are the side dish that disappears first. I've tested them dozens of times to get the perfect balance: creamy centers, shatteringly crisp edges, and a salty Parmesan crust that clings to every bite.
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The method is straightforward: boil whole baby potatoes until just tender, smash them flat, brush with seasoned butter, and roast at high heat. The key is starting with a screaming-hot sheet pan to kickstart the browning process.
What sets this version apart is the double hit of Parmesan – we mix it into the butter for the first coat, then sprinkle more on top before the final roast. The result is a crust that's both cheesy and crunchy, not just a dusting of flavor.
Why You'll Love This Recipe
About the Ingredients
1.5 lbs (680g) baby yellow potatoes
Use small, waxy potatoes like Yukon Gold or red bliss. They hold their shape during boiling and smashing. Substitution: baby red potatoes work just as well.
3 tbsp (42g) unsalted butter, melted
Melted butter is the fat that carries flavor and promotes browning. Substitution: use olive oil for a dairy-free version, though the crust will be slightly less golden.
1/2 cup (50g) finely grated Parmesan cheese
Freshly grated Parmesan melts and crisps better than pre-shredded. Substitution: Pecorino Romano adds a sharper, saltier kick.
2 cloves garlic, minced
Fresh garlic adds aromatic depth. Substitution: 1/2 tsp garlic powder if you don't have fresh.
1/2 tsp salt
Kosher salt is best for even seasoning. Adjust to taste, as Parmesan is salty.
1/4 tsp black pepper
Freshly ground black pepper adds a subtle heat. Optional: add a pinch of red pepper flakes for spice.
2 tbsp fresh parsley, chopped (for garnish)
Brightens the dish with color and freshness. Substitution: chives or dill also work.
Tips & Tricks
Don't overcook the potatoes
Boil just until a knife pierces with slight resistance (about 15-20 minutes). Overcooked potatoes fall apart when smashed.
Dry the potatoes thoroughly
After boiling, let them steam dry for 5 minutes. Excess moisture prevents crisping.
Use a hot sheet pan
Preheat the pan in the oven for 10 minutes. The sizzle when you place the potatoes signals the start of a crisp crust.
Smash to even thickness
Aim for about 1/2 inch thick. Uneven smashing leads to burnt thin parts and soft thick parts.
Pro Tips
Step-by-Step Instructions
1. Preheat and Prep Pan
Preheat your oven to 425°F (220°C). Place a large rimmed baking sheet in the oven to heat while you prepare the potatoes.
2. Boil the Potatoes
Place the baby potatoes in a large pot and cover with cold water by 1 inch. Add 1 tablespoon of salt. Bring to a boil, then reduce to a simmer and cook for 15-18 minutes, until a knife pierces easily but the potatoes hold their shape. Drain and let them steam dry for 5 minutes.
3. Make the Butter Mixture
In a small bowl, combine the melted butter, minced garlic, salt, and pepper. Stir in half of the grated Parmesan.
4. Smash the Potatoes
Place the potatoes on the hot baking sheet (careful, it's hot!). Using a flat-bottomed glass or potato masher, gently press each potato to about 1/2 inch thick. Don't worry if they crack – that's where the crisp edges come from.
5. Brush with Butter
Brush the butter-Parmesan mixture generously over each smashed potato. Make sure to get it into the crevices. The hot pan will cause some sizzling – that's good.
6. First Roast
Roast the potatoes for 15 minutes at 425°F (220°C). They should start to turn golden at the edges.
7. Add Remaining Cheese
Remove the pan from the oven and sprinkle the remaining Parmesan over the potatoes. Return to the oven and roast for another 10-15 minutes, until the edges are deeply golden brown and crispy, and the cheese is melted and bubbling.
8. Garnish and Serve
Remove from the oven and let rest for 2 minutes. Sprinkle with fresh parsley and serve immediately.
Delicious Variations
Herb and Garlic
Add 1 teaspoon dried rosemary and 1 teaspoon dried thyme to the butter mixture.
Spicy Chipotle
Stir 1 teaspoon chipotle powder and 1/2 teaspoon smoked paprika into the butter.
Lemon-Pepper
Add 1 teaspoon lemon zest and 1/2 teaspoon cracked black pepper to the butter.
How to Store Crispy Parmesan Smashed Potatoes
Refrigerator
Store leftovers in an airtight container in the refrigerator for up to 3 days.
Freezer
Freeze on a baking sheet until solid, then transfer to a freezer bag for up to 2 months. Reheat directly from frozen in a 400°F (200°C) oven.
Reheating
Reheat in a 400°F (200°C) oven for 5-7 minutes to restore crispiness. Avoid microwaving, which makes them soggy.
Frequently Asked Questions
Q: Can I use regular potatoes instead of baby potatoes?
Yes, you can use larger Yukon Gold or Russet potatoes. Cut them into 1.5-inch chunks before boiling, then smash as directed. Adjust boiling time to 20-25 minutes.
Q: How do I keep the potatoes from sticking to the pan?
Ensure your baking sheet is well-coated with oil or use parchment paper. The hot pan and butter mixture help prevent sticking, but a nonstick spray adds extra insurance.
Q: Can I make these ahead of time?
Yes, you can boil and smash the potatoes up to a day ahead. Store them in the fridge, then add the butter mixture and roast when ready to serve. Increase roasting time by 5 minutes if starting from cold.
Q: What if I don't have Parmesan cheese?
Substitute with Pecorino Romano or an aged Gouda. For a dairy-free option, use nutritional yeast mixed with a little salt to mimic the savory flavor.
Q: Why are my potatoes not crispy?
Likely causes: potatoes were too wet, oven not hot enough, or overcrowded pan. Make sure to dry the potatoes well, preheat the pan, and leave space between each potato for air circulation.
If you try this Crispy Parmesan Smashed Potatoes recipe, let me know how it turns out in the comments below. Don't forget to share your photos on Instagram and tag me!
Crispy Parmesan Smashed Potatoes
Crispy Parmesan Smashed Potatoes with golden edges and a cheesy crust – an easy, 45-minute side dish that's perfect for weeknights.
🧂 Ingredients
- 1.5 lbs (680g) baby yellow potatoes
- 3 tbsp (42g) unsalted butter, melted
- 1/2 cup (50g) finely grated Parmesan cheese
- 2 cloves garlic, minced
- 1/2 tsp salt
- 1/4 tsp black pepper
- 2 tbsp fresh parsley, chopped (for garnish)
📋 Instructions
- 1Preheat and Prep Pan — Preheat your oven to 425°F (220°C). Place a large rimmed baking sheet in the oven to heat while you prepare the potatoes.
- 2Boil the Potatoes — Place the baby potatoes in a large pot and cover with cold water by 1 inch. Add 1 tablespoon of salt. Bring to a boil, then reduce to a simmer and cook for 15-18 minutes, until a knife pierces easily but the potatoes hold their shape. Drain and let them steam dry for 5 minutes.
- 3Make the Butter Mixture — In a small bowl, combine the melted butter, minced garlic, salt, and pepper. Stir in half of the grated Parmesan.
- 4Smash the Potatoes — Place the potatoes on the hot baking sheet (careful, it's hot!). Using a flat-bottomed glass or potato masher, gently press each potato to about 1/2 inch thick. Don't worry if they crack – that's where the crisp edges come from.
- 5Brush with Butter — Brush the butter-Parmesan mixture generously over each smashed potato. Make sure to get it into the crevices. The hot pan will cause some sizzling – that's good.
- 6First Roast — Roast the potatoes for 15 minutes at 425°F (220°C). They should start to turn golden at the edges.
- 7Add Remaining Cheese — Remove the pan from the oven and sprinkle the remaining Parmesan over the potatoes. Return to the oven and roast for another 10-15 minutes, until the edges are deeply golden brown and crispy, and the cheese is melted and bubbling.
- 8Garnish and Serve — Remove from the oven and let rest for 2 minutes. Sprinkle with fresh parsley and serve immediately.
Liam covers personal finance and investing for beginners, demystifying money management with clear, no-nonsense advice. He focuses on budgeting, saving, and long-term wealth building, often using real-life scenarios to illustrate concepts.
