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Cubed Roasted Sweet Potatoes

Lightly crispy on the outside and soft on the inside, these cubed Roasted Sweet Potatoes are gently spiced with coriander, smoked paprika, and turmeric. They are an easy and tasty, 5-ingredient side dish that pairs well with chicken, fish, turkey, and many more.

Easy, cheap, oven-roasted sweet potatoes

Sweet potatoes can rock a variety of dishes and cooking methods.

They are just as deliriously delicious tossed into a spicy curry, a savory soup, rich cupcakes, or sweet bars.

Grilled, puréed, sautéed, or boiled, sweet potatoes are versatile veggies that are nutrition powerhouses too.

In this easy Roasted Sweet Potatoes dish, sweet potatoes are cubed, tossed with a smattering of spices, and baked to perfection.

These little cubes of roasted sweet potatoes are a harmonious blend of lightly crisp and deliciously spiced on the outside and soft and sweet on the inside.

This Cubed Roasted Sweet Potatoes dish is a vegetarian/vegan dish that can be enjoyed as a side dish, tossed into a salad, or mixed into a bowl.

I love this dish as it is as tasty as it is easy to make. It only takes about 40 minutes, from initial prep to plating. And, you only need 5 easy-to-find ingredients to make it!

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5 Ingredients needed for the best easy oven roasted sweet potatoes

What are the ingredients to make this dish?

You will need the following 5 ingredients to make these cubes roasted sweet potatoes:

  1. Your favorite oil spray
  2. Sweet potatoes
  3. Coriander
  4. Smoked paprika
  5. Turmeric
Prepping cubed sweet potatoes to roast

For this recipe, I like to cut the sweet potatoes into cubes before baking them.

The best way for me to do that is by cutting the sweet potato lengthwise and placing both halves on a cutting board, with the cut side down. This way, the sweet potatoes won’t be wobbling around, making cutting them unsafe.

After that, I cut it lengthways into strips and cube the strips.

Spiced sweet potatoes on a baking tray, ready to be oven roasted to perfection.

Can I cube sweet potatoes ahead of time?

Definitely. Sweet potatoes can be cut into cubes 1 to 3 days before you need to use them in a recipe like this one. However, they have to be stored to minimize any browning. In my opinion, this can be done by two methods. One is to toss the cubed sweet potato in some fresh lemon juice and store it in an airtight container. The second is to place the cubed sweet potatoes in an airtight container filled with water.

In my opinion, for this recipe, it is best to peel and cube the sweet potatoes just before roasting them for the best outcome.

Perfectly Roasted sweet potatoes just out of the oven

Do I need to pre-cook the sweet potatoes before roasting?

For this recipe, I find that sweet potatoes do not need to be pre-cooked. Boiling them or parboiling them before roasting is not necessary at all. In fact, for me, roasting raw sweet potatoes has resulted in some delightful crisp-on-the-outside and soft-on-the-inside sweet potatoes.

My favorite 5-ingredient oven roasted sweet potatoes in a bowl

Why are my roasted sweet potatoes not crispy?

So, in my experience, there are two reasons for oven-roasted sweet potatoes to not be too crispy.

One is that they are not baked at a high temperature. I have found that baking cubed sweet potatoes at 425 degrees Fahrenheit (218 Celsius) to 450 degrees Fahrenheit (232 Celsius) for 20–30 minutes provides great results. If you are wondering why the range, well, most ovens seem to differ in temperature. When I bake sweet potatoes at my mom’s at 450 degrees F for 30 minutes, they are perfect. However, if I baked them at 45 degrees F for 30 minutes in my oven, they would be on the verge of becoming charcoal!

The second reason your oven-roasted sweet potatoes might not be too crispy is because the baking sheet is overcrowded and the cubes of potatoes seem to overlap each other.

Meal prepping with the best roasted sweet potatoes along with lettuce, cucumbers, tomatoes, and cherry chicken.

How to serve these Cubed Roasted Sweet Potatoes?

This recipe can be served as a side to chicken, fish, or pork. It is an easy and tasty dish that can be part of a simple vegetarian dinner or as part of a more elaborate holiday gathering around turkey and all the fixings.

I made a batch of these cubed roasted sweet potatoes to take along on a picnic when my boyfriend and I decided to head down to Legion Field and watch The Purple Xperience (a Prince tribute band). We enjoyed these sweet potatoes in bowls along with some cherry chicken (recipe coming soon), cucumber, tomatoes, butter lettuce, and cherry chutney.

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My favorite 5-ingredient oven roasted sweet potatoes in a bowl

Cubed Roasted Sweet Potatoes

5 from 2 votes
Print Pin Rate
Prep Time: 5 minutes
Cook Time: 30 minutes
Total Time: 35 minutes
Servings: 4 servings
Author: Shashi
Lightly crispy on the outside and soft on the inside, these cubed Roasted Sweet Potatoes are gently spiced with coriander, smoked paprika, and turmeric. They are an easy and tasty side dish that pairs well with chicken, fish, turkey, and many more.


  • Cooking oil spray
  • 2 large sweet potatoes
  • 3 teaspoons coriander
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon turmeric
  • Salt and pepper to taste
  • OPTIONAL – Parsley to garnish


  • Preheat the oven to 425 degrees Fahrenheit (218 Celsius).
  • Wash and peel the sweet potatoes.
  • Cut the sweet potatoes into cubes.
  • Place the cubed sweet potatoes on a silpat-lined baking tray and spray them with some cooking oil.
  • Add the coriander, smoked paprika, and turmeric to a bowl and mix them. Then, sprinkle the spices over the cubed sweet potato. Toss the cubes so they are well coated with the spice mix.
  • Then, spray the sweet potato cubes one more time.
  • Place the baking tray with the sweet potatoes in the 425-degree hot oven and bake for 27–30 minutes, or until the potatoes are lightly crisp on the outside and soft on the inside.
  • Remove the sweet potatoes from the oven and let them sit on the baking tray for about 5–10 minutes.
  • Season with salt and pepper to taste and enjoy!
  • OPTIONAL – If preferred, you can serve these garnished with some chopped fresh parsley.


Serving: 1g | Calories: 117kcal | Carbohydrates: 20g | Protein: 2g | Fat: 4g | Polyunsaturated Fat: 3g | Sodium: 108mg | Fiber: 3g | Sugar: 6g
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  1. […] this oven-roasted eggplant recipe and this roasted sweet potato recipe, this one is a versatile dish that I hope you get to have fun experimenting […]

  2. […] can also be served in a bowl, along with my favorite roasted sweet potatoes, some greens, cucumber, and […]

  3. Ben | Havocinthekitchen says:

    While many people prefer their sweet potatoes on a sweeter side, I always opt for savoury combinations to balance out their natural sweetness. These potatoes look terrific! Loving the combo of spices, too. While smoked paprika is something I use constantly with potatoes, coriander and turmeric sound intriguing.

  4. […] If I still haven’t convinced you to try this recipe, then maybe you might like these oven-roasted sweet potatoes. […]