Side
Crispy Roasted Sweet Potatoes
These crispy roasted sweet potatoes are caramelized on the edges with olive oil, salt, pepper, and optional smoky spices.
Prep
10 mins
Cook
25 to 30 mins
Total
35 to 40 mins
Calories
262 kcal
Protein
3.6 g
Carbohydrates
45.8 g
Serves
4 servings
Fat
7.6 g
Quick Answer
Oven: 425 F
Time: 25 to 30 minutes roasting
Flip: Halfway through
Best result: Keep cubes in a single layer with space between pieces
Roasted Sweet Potato Cubes
These roasted sweet potato cubes are one of the easiest side dishes you can make. With just a few ingredients and about 30 minutes in the oven, sweet potatoes turn crispy on the outside and soft in the center.
Sweet potatoes are one of the most reliable ingredients to keep in the kitchen. They store well for weeks, cook quickly, and work with almost any meal - from eggs in the morning to sausage and vegetables at dinner.
They're also one of the most nutrient-dense vegetables available, packed with fiber, potassium, and beta-carotene that supports immune and eye health.
In this recipe we cube the sweet potatoes, toss them with avocado oil, salt, and black pepper, and roast them until the edges caramelize and the centers turn soft and creamy.
How to Make Roasted Sweet Potatoes
Preheat your oven to 425 F, cut the sweet potatoes into even 3/4-inch cubes, and toss them with oil, salt, and pepper until coated.
Spread them in a single layer on a sheet pan so hot air can circulate around each piece. Roast for 25 to 30 minutes, flipping once halfway through for even browning.
The sweet potatoes are ready when the edges are caramelized and the centers are tender when pierced with a fork.
If you like sweet potatoes, you might also enjoy our Sweet Potato Mash, Crispy Sweet Potato Breakfast Hash, and Sweet Potato Sourdough Rolls.
Breville Oven Instructions
You can make this recipe in a Breville countertop oven too.
Preheat on the Roast setting to 425°F
Use the middle rack position
Watch closely near the end since countertop ovens can brown faster
Cook in batches if your tray is smaller
Why This Recipe Works
Only 4 ingredients
Ready in under 35 minutes
Crispy edges and soft centers
Works in a standard oven or Breville toaster oven
Kid-friendly and naturally gluten-free
Recipe variants
Maple Cinnamon
Drizzle 1 teaspoon maple syrup and sprinkle with cinnamon before serving.
Garlic Herb
Add rosemary and a pinch of garlic powder before roasting.
Savory Bowl Style
Season with paprika, cumin, and chili powder for a savory bowl base.
FAQ
Why are my roasted sweet potatoes not crispy?
They are usually crowded or cut unevenly. Spread in a single layer, use high heat, and avoid excess oil to improve browning.
Should I peel sweet potatoes before roasting?
Peeling is optional. Keep the skin for more texture and fiber, or peel for a smoother bite and more even surface browning.
Can I roast sweet potatoes ahead of time?
Yes. Roast, cool, and refrigerate for up to 4 days. Reheat on a hot sheet pan or in an air fryer to bring back crisp edges.
Equipment
Sheet pan
Parchment paper (optional but helps cleanup)
Sharp knife
Mixing bowl
Ingredients
Crispy Roasted Sweet Potatoes
Author: Austin Nissley
Prep time
10 mins
Cook time
25 to 30 mins
Total time
35 to 40 mins
Yield
4 servings
- Fiber / plants
- Fats
- Flavor / spices
Ingredient notes
Sweet potatoes are the base of the recipe and roast best when they are firm and cut into even 3/4-inch cubes. Similar sizing helps every piece caramelize at the same rate.
Olive oil helps the sweet potatoes brown and crisp instead of drying out in the oven. It also helps seasoning stick evenly to each cube.
Salt brings out the natural sweetness and prevents the final dish from tasting flat. Start with the listed amount, then adjust after roasting if needed.
Black pepper adds a mild savory bite that balances the sweet flavor of the potatoes. A small amount goes a long way, especially for kid-friendly versions.
Smoked paprika is optional, but it adds a subtle smoky depth and a warmer color. Use it when you want a more savory profile without extra heat.
Garlic powder is optional and works best as a light background flavor. A pinch is enough to add aromatic depth without overpowering the sweet potato.
Step-by-step
4 servings- 1
Preheat oven
- Ingredients:
- None
- Action: Preheat oven to 425 F (218 C). Higher heat helps the sweet potatoes develop crispy edges.
- Ingredients:
- 2
Cut sweet potatoes
- Ingredients:
- 2 pounds sweet potatoes (about 2 large), peeled and cut into 3/4-inch cubes
- Action: Peel if desired and cut into 3/4-inch cubes. Keep pieces similar in size so they cook evenly.
- Ingredients:
- 3
Season
- Ingredients:
- 2 tablespoons olive oil
- 1/2 teaspoons salt
- 1/4 teaspoons black pepper
- 1/2 teaspoons smoked paprika (optional)
- 1 pinch garlic powder (optional)
- Action: Combine sweet potatoes with oil, salt, pepper, and optional spices in a mixing bowl. Toss until evenly coated.
- Ingredients:
- 4
Spread on baking sheet
- Ingredients:
- Seasoned sweet potatoes
- Action: Spread potatoes in a single layer on a sheet pan. Avoid overcrowding to prevent steaming and improve browning.
- Ingredients:
- 5
Roast
- Ingredients:
- Sweet potatoes on sheet pan
- Action: Roast 25 to 30 minutes, flipping halfway through. Potatoes are done when edges are caramelized and the inside is soft when pierced with a fork.
- Ingredients:
Nutrition
| Nutrient | Per serving | Per batch |
|---|---|---|
| Calories | 262 kcal | 1049 kcal |
| Protein | 3.6 g | 14.4 g |
| Fat | 7.6 g | 30.5 g |
| Saturated Fat | 1.1 g | 4.3 g |
| Carbohydrates | 45.8 g | 183.3 g |
| Fiber | 6.9 g | 27.5 g |
| Cholesterol | 0 mg | 0 mg |
| Sodium | 385 mg | 1541 mg |
| Vitamin A | 1608 mcg | 6432 mcg |
| Vitamin C | 5 mg | 22 mg |
| Vitamin E | 1.7 mg | 6.7 mg |
| Calcium | 69 mg | 278 mg |
| Iron | 1.5 mg | 5.8 mg |
| Magnesium | 57 mg | 229 mg |
| Potassium | 769 mg | 3074 mg |
Nutrition notes
Nutrition is an estimate and varies by ingredient brands and exact quantities.
Nutrition information is automatically calculated, so should only be used as an approximation.
Tips & tricks
- Crowding the pan creates steam and soggy cubes, so keep a single layer with space between pieces.
- Use high heat (425 F / 218 C) for better caramelization and crispy edges.
- Uniform 3/4-inch cubes help all pieces finish at the same time.
Storage & reheating
Store cooled leftovers in an airtight container for up to 4 days.
Reheat on a sheet pan at 400 F for 8 to 10 minutes to re-crisp.
Freeze in a single layer first, then transfer to a bag for up to 2 months.
Recipe variants
Maple Cinnamon
Drizzle 1 teaspoon maple syrup and sprinkle with cinnamon before serving.
Garlic Herb
Add rosemary and a pinch of garlic powder before roasting.
Savory Bowl Style
Season with paprika, cumin, and chili powder for a savory bowl base.
Troubleshooting
If potatoes are soggy, use a larger sheet pan and avoid overcrowding.
If browning is weak, roast longer in 2 to 3 minute increments until edges caramelize.
FAQ
Why are my roasted sweet potatoes not crispy?
They are usually crowded or cut unevenly. Spread in a single layer, use high heat, and avoid excess oil to improve browning.
Should I peel sweet potatoes before roasting?
Peeling is optional. Keep the skin for more texture and fiber, or peel for a smoother bite and more even surface browning.
Can I roast sweet potatoes ahead of time?
Yes. Roast, cool, and refrigerate for up to 4 days. Reheat on a hot sheet pan or in an air fryer to bring back crisp edges.
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