Truly, if you’re searching for a side dish that has a lot of impact but doesn’t make a lot of mess, you have discovered it. It’s not only simple to prepare, this sweet potato with crispy garlic parmesan will have everyone coming back for more. Tender sweet potato chunks with unimaginably crispy, caramelized edges, all covered in savory garlic and salty parmesan cheese.
It can be served as part of any meal from a weeknight dinner of chicken to holiday extravaganza! Plus, it doesn’t require many ingredients and takes only about 15 minutes of hands-on time. Prepare to be pleasantly surprised by this side dish which is a winner!
Crispy garlic parmesan sweet potato
Ingredients
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- 2 medium sweet potatoes (about 2 lbs), peeled and diced into 1-inch cubes
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- 2 tablespoons olive oil
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- 1 tablespoon garlic powder
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- ½ teaspoon onion powder
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- ¾ teaspoon salt, or to taste
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- ¼ teaspoon black pepper, or to taste
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- ½ cup grated Parmesan cheese
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- 2 tablespoons fresh parsley, chopped (optional, for garnish)
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Necessary Utensils & Equipment
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- Large baking sheet
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- Parchment paper (recommended)
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- Sharp knife
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- Vegetable peeler
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- Measuring spoons and cups
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Instructions
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- Preheat your oven to 400°F (200°C). Line a large baking sheet with parchment paper for easy cleanup and to help with crisping.
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- In a large mixing bowl, combine the diced sweet potatoes with olive oil, garlic powder, onion powder, salt, and black pepper. Toss everything well until the sweet potato cubes are evenly coated.
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- Spread the seasoned sweet potatoes in a single layer on the prepared baking sheet. Don’t overcrowd the pan; this is a critical step for getting them nice and crispy. If needed, use two baking sheets.
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- Roast for 20 minutes, flipping halfway through, until the sweet potatoes are tender and starting to turn golden brown.
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- Remove the baking sheet from the oven. Sprinkle the grated Parmesan cheese evenly over the sweet potatoes.
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- Return to the oven and continue roasting for another 10-15 minutes, or until the cheese is melted, bubbly, and the sweet potato edges are deeply golden and crispy. You’ll smell that delicious garlicky aroma!
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- Carefully remove from the oven. If using, sprinkle with fresh chopped parsley before serving hot. Enjoy that satisfying crunch!
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My take after cooking it a few times.
You don’t have to be a rocket scientist to make perfectly crispy sweet potatoes just a few little tips will help you achieve the perfect result. Definitely have run into some soggy sweet potato experimentation – the first time I tried to make crispy sweet potatoes, I overloaded the baking sheet. Instead they cooked them in the oven and they were quite wet, actually. Given my lesson, I need to give those sweet potato cubes some space! This is how to achieve the coveted “bite and crunchy” edges that everybody craves.
Achieving Maximum Crispness
The secret to that coveted crunch lies in a couple of things. First, make sure your sweet potato cubes are roughly the same size. This helps them cook evenly. Second, and perhaps most important, is the spacing on your baking sheet.
Pro Tip: Always spread your sweet potatoes in a single layer with a little room between each piece. If they’re too close, they’ll steam instead of roast, leaving you with soft, not crispy, results.
Also, don’t skimp on preheating your oven. A hot oven from the start helps kick-start the caramelization process, giving you those beautiful, slightly charred edges.
Flavor Variations
While the garlic parmesan combo is a classic for a reason, don’t be afraid to mix things up! Sweet potatoes are incredibly versatile.
- Spicy Kick: Add a pinch of cayenne pepper or smoked paprika along with the other spices for a warm, smoky heat.
- Herbal Goodness: Fresh rosemary or thyme sprigs tossed with the potatoes before roasting add a lovely, earthy depth.
- Sweet & Savory: A drizzle of maple syrup or honey during the last 5 minutes of roasting can highlight the sweet potato’s natural sweetness beautifully.
- Nutritional Yeast: For a dairy-free take, swap out the Parmesan cheese for nutritional yeast, which will give you a cheesy flavor without the dairy.
Storage & Reheating
If you do have any leftovers (which is a big “if” with this dish!) keep in an airtight container in the fridge for up to 3-4 days. The microwave will make them soft when reheating. To crispy sweet potatoes, place on a baking dish or an air fryer and return to the oven at 375°F (190°C) until heated through and re-crispy. Typically requires 10-15 minutes.
Pairing Suggestions
These crispy garlic parmesan sweet potatoes are so good, they could almost be a meal on their own! But if you’re looking for main dishes to serve alongside them, here are a few ideas:
- Roasted chicken or turkey
- Grilled steak or pork chops
- Pan-seared fish like salmon or cod
- A juicy veggie burger
- A simple green salad with a vinaigrette dressing
They’re truly one of those sides that brightens up any plate, whether it’s a simple weeknight dinner or something a bit more festive.
Frequently Asked Questions
Why aren’t my sweet potatoes getting crispy?
The most common reasons are overcrowding the baking sheet, not using enough oil, or not roasting at a high enough temperature. Make sure they’re in a single layer with space between them, use the specified amount of oil to help them brown, and ensure your oven is fully preheated to 400°F (200°C). Unevenly cut potatoes can also lead to some pieces getting crispy while others remain soft.
Can I use pre-cut sweet potatoes?
Yes, you definitely can! Pre-cut sweet potatoes from the grocery store are a fantastic time-saver. Just make sure to check the package for any excess moisture and pat them dry if needed before tossing with oil and spices. The cooking time might vary slightly, so keep an eye on them.
What’s the best type of sweet potato to use for this recipe?
For roasting, I generally go for the orange-fleshed sweet potatoes like Jewel or Garnet varieties. They tend to be sweeter and have a nice, creamy texture when cooked, with skins that crisp up beautifully. Just make sure they’re firm and free of soft spots.
Can I make crispy garlic parmesan sweet potatoes in an air fryer?
Absolutely! An air fryer is a fantastic tool for achieving extra crispy results. I’d recommend air frying at 375°F (190°C) for about 15-20 minutes, shaking the basket halfway through. Add the Parmesan for the last 5-7 minutes. You might need to cook them in batches, depending on the size of your air fryer, to avoid overcrowding.
Is this recipe gluten-free or dairy-free?
This recipe is naturally gluten-free! If you’re looking to make it dairy-free, you can skip the Parmesan cheese entirely or swap it out for a good quality dairy-free parmesan substitute or nutritional yeast, which adds a savory, cheesy flavor.
What are some of your go-to crispy vegetable sides? I’d love to hear your ideas!
