How to Make Perfect Crispy Roasted Sweet Potatoes Every Time

If you’re in search of a side dish that is healthy and absolutely scrumptious, these garlic parmesan roasted sweet potatoes will be the perfect addition to your meal. I have been preparing this dish for a couple of years and every single time I have made it, I have been asked for the recipe. After you try them, you will see that crispy golden sweet potatoes make regular fries look boring.

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Why This Roasted Sweet Potatoes Recipe Is A Win

The first reason why you will love this recipe is that it is so easy to make. It does not require any special skills and everything is easy to find. The main ingredients are sweet potato, garlic, and parmesan with a couple of other seasonings. To make the sweet potatoes crispy and caramelized, the oven does all the work.

Roasting sweet potatoes can bring many trials and errors. I remember the first time they came out a disappointing, soggy mess. After a lot of sweet potato roasting, I figured out how to perfect the potato and now you can benefit from my errors as well.

Why You Will Love These Sweet Potatoes

One thing that they have going for them is that they are not your mother’s ordinary sweet potato. The garlic, butter, and parmesan create a coating that balances the natural sweet potato flavor with a savory flavor. The inside remains creamy and the outside is crispy and golden brown.

Roasted sweet potato cubes have become a regular request from family and a staple in my home for everyday meals and Thanksgiving, based on its versatility. Here’s what is needed to make it.

Ingredients You’ll Need

The sweet potatoes are the star of this recipe.

Main Ingredients:

3 large sweet potatoes (about 2 pounds)

3 tablespoons olive oil

4 cloves fresh garlic, minced

1/2 cup grated parmesan cheese

2 tablespoons butter, melted

Seasonings:

1 teaspoon garlic powder

1 teaspoon paprika

1/2 teaspoon black pepper

1 teaspoon salt

1/2 teaspoon dried Italian herbs

fresh parsley for garnish

There’s a lot of optionality in this recipe. Mixing it up with just garlic butter one day and then going all out with the parmesan the next will get you a great outcome with either option.

How to Cut Sweet Potatoes for Perfect Roasting

How you cut the potatoes affects the sweet potatoes and cutting them a certain way can help sweet potatoes get crispier.

Cubes sweet potatoes are easiest cut into a 1-inch size to get the best tender outcome. Sweet potato wedges are another option but can take longer to cook.

Here’s my method. First, clean the sweet potatoes thoroughly. I typically don’t peel them because the skin holds nutrients and gets crispy. Then, chop off the ends and cut the sweet potato into disks about 1 inch thick. Then cut the disks into strips and then into cubes.

Making sure that the cubes are uniform in size is key to ensuring even cooking. You don’t want to have some cubes burnt while others are raw.

Secrets to the Crispy Roasted Sweet Potatoes

Would you like to know the secret to a perfect crispy sweet potato? Then you have to know the right temperature to set the oven and the right arrangement on the baking sheet.

Setting the oven to 425°F (220°C) is a must for roasted sweet potatoes to develop a crispy and golden brown outer layer. When you set the sweet potatoes in a cold oven, they steam, so don’t skip the preheating.

Don’t overcrowd the baking sheet and use a large one. This was a mistake I always used to make. If the cubes are too close together, they steam, and the potatoes get mushy. They should be in a single layer and spaced apart. Use a second baking sheet if you need more space.

To prevent the sweet potatoes from sticking to the baking sheet and to make cleanup easier, you should line the baking sheet with ungreased parchment paper. Aluminum foil works, but I find that parchment gives better results.

Cooking Instructions

This is how I do it!

Step 1: Prep

Sweet potatoes should be cubed and the oven should be set to 425°F. Make room for them in a bowl.

Step 2: Sweet Potato Seasonings

Olive oil combines with the sweet potato cubes with the addition of minced garlic, garlic powder, paprika, salt, pepper, and Italian herbs. It is easiest to combine all the ingredients with your hands, though a spoon will suffice.

Step 3: Sheet Prep

All of the sweet potatoes should be placed in a single layer on the baking sheet. If they are too crowded, they will not cook evenly.

Step 4: Bake #1

Even though the urge to check on them is strong, do not open the oven for the first 20 minutes. This is crucial in getting the sweet potatoes even more crispy.

Step 5: Bake #2

After the first 20 minutes, use a spatula to flip the sweet potatoes to ensure they become crispy all the way around. Cook for another 15-20 minutes. They are ready when they are golden brown and can be easily pierced with a fork.

Step 6: Add the Good Stuff

This is the favorite part of the process! Take the pan out when the sweet potatoes have 5 minutes left to cook. Drizzle the sweet potatoes with melted butter and sprinkle with parmesan cheese. Put the pan back into the oven. Wait 3-5 minutes for the cheese to melt and become crispy.

Step 7: Garnish and Serve

Take the pan out of the oven. Sweet potatoes should be topped with fresh parsley. The garnishing not only adds a beautiful splash of color to the sweet potatoes, the taste is a perfect balance to the dish.

Perfect Timing: 40 Minute Sweet Potato Recipe

This dish takes a total of 40 minutes to prepare and cook. The dish details are as followed:

Prep time: 10 minutes

Cook time: 30 minutes

Total: 40 minutes

This recipe is perfect for any weeknight dinner. With the short cooking time, you can put the sweet potatoes into the oven and focus prep time on the main dish.

Different Flavor Variations to Try

Garlic parmesan is the best, but other great options to season roasted sweet potatoes are:

Honey Butter Sweet Potatoes:

There is no need to include parmesan. Instead, try the sweet potatoes with honey and melted butter for the last 5 minutes. The honey will caramelize!

Spicy Roasted Sweet Potatoes:

Cayenne pepper and chili powder should be included in the roasted sweet potatoes for perfect spice.

Sweet Potato Rounds with Feta:

Instead of dicing sweet potatoes, try cutting them into rounds. After roasting, sweet potatoes can be topped with feta cheese and drizzled with honey. This is a winning combination.

Diabetic Version:

Roasting still works if you want the extra protein. After roasting for 15 minutes, toss in a can of rinsed chickpeas and roast for the last 15 minutes, along with some extra cheese.

Simple Butter Roasted:

Sometimes simple is the best. Only 4 ingredients and you have a great combination of flavors.

Common Mistakes and How to Avoid Them

Roasted sweet potatoes and I have a lengthy relationship strained by mistakes on my part. Here’s some advice to help you avoid those mistakes.

Not Drying the Sweet Potatoes

The sweet potato cubes must be patted dry after cutting. Leaving moisture in the cubes will create steam and they won’t crisp.

Using Too Little Oil

It’s important to use oil on the sweet potato pieces. Only a little oil will transform a cube of sweet potato to a raw potato.

Opening the Oven Too Often

Each time the oven is opened the temperature drops and prolongs the cooking time and alters the texture.

Not Using High Enough Heat

Low oven temperatures will have the sweet potato cubes not crisped.

Adding Cheese Too Early

Adding cheese to the potatoes too early will only burn the cheese. It should only be added during the last few minutes.

Storing and Reheating Tips

These should be eaten straight from the oven, but can be kept in the fridge for 4 days in an airtight container.

The only way to maintain crispness is to put the sweet potatoes back in the oven. Never use the microwave for crisp.

For meal prep, sweet potatoes can be cut, seasoned, and stored raw in the fridge for 24 hours prior to roasting. This is a game changer for easy weeknight meals.

Nutritional Benefits

Sweet potatoes are a great source of vitamin A, fiber, and potassium. One single serving of these provides almost your entire daily requirement of vitamin A. The olive oil used in this recipe aids the absorption of fat-soluble vitamins. Therefore, the oil provides nutrition in addition to flavor.

What to Serve With Roasted Sweet Potatoes

This side goes well with basically everything (even as the vegetarian main dish with a side salad). I have gone the following routes and served sweet potatoes with:

• grilled chicken or steak
• roasted turkey for Thanksgiving
• baked salmon
• pork chops

These are even meal prep friendly. Sunday batches can be used in lunch bowls throughout the week.

Final Thoughts

For my family, this garlic parmesan roasted crispy sweet potatoes recipe has been a game changer for increasing vegetable intake. The simplicity of the recipe and the quality of the ingredients (good olive oil, fresh garlic, and parmesan cheese) is the icing on the cake.

Whether you make these for a weeknight dinner or a holiday party, these garlic butter roasted sweet potatoes will impress everyone around the dinner table. You have to try this recipe. Once you do, I promise you’ll make them as often as I do.