This version keeps things simple but gives the sweet potatoes more flavor with olive oil, paprika, cumin, garlic, cinnamon, chili powder, and a little brown sugar to help everything roast up beautifully. They’re easy enough for a weeknight dinner, but they also look and taste good enough to serve with a bigger spread when you want something a little more special.

Ingredients

• 2 pounds sweet potatoes, peeled and cut into 1/2-inch cubes

• 2 tablespoons olive oil

• 3/4 teaspoon fine sea salt

• 1/4 teaspoon black pepper

• 1/2 teaspoon chili powder

• 1/2 teaspoon paprika

• 1/2 teaspoon ground cumin

• 1/2 teaspoon garlic powder

• 1/4 teaspoon ground cinnamon

• 1 tablespoon light brown sugar

Instructions

1. Preheat the oven.
Preheat your oven to 425°F (220°C).

2. Prep the sweet potatoes.
Peel the sweet potatoes and cut them into 1/2-inch cubes. Try to keep the pieces close in size so they roast evenly and finish at the same time.

3. Season everything.
Place the sweet potato cubes in a large bowl. Add the olive oil, salt, black pepper, chili powder, paprika, cumin, garlic powder, cinnamon, and brown sugar. Toss well until the sweet potatoes are evenly coated and no dry spices are left sitting at the bottom of the bowl.

4. Spread them out.
Transfer the sweet potatoes to a large sheet pan and spread them into a single layer. Make sure the pieces are not piled on top of each other. Space helps them roast and brown instead of turning soft and steamy.

5. Roast until tender and caramelized.
Roast for 27 to 35 minutes, flipping every 10 to 15 minutes, until the sweet potatoes are tender inside and browned on the edges. The brown sugar will help them develop deeper color as they roast.

6. Serve hot.
Serve right away while they are hot and caramelized, with the edges at their best.

Love a side dish that’s simple but still feels worth making? Pin the image below to your Pinterest board so these roasted sweet potatoes are easy to find the next time you need them.

Tips and Tricks

Cut the sweet potatoes evenly
Try to keep the cubes close in size so they roast at the same pace. If some pieces are much smaller, they can brown too fast before the larger ones are tender.

Do not overcrowd the pan
Spread the sweet potatoes out in a single layer with a little space between them. If they are too close together, they will steam instead of roast, and you will miss out on those caramelized edges.

Coat them well
Toss the sweet potatoes thoroughly with the olive oil, spices, and brown sugar so every piece is evenly covered. This helps with both flavor and color.

Let them roast undisturbed between flips
Flip the sweet potatoes during baking, but do not move them around too often. Leaving them in place for a while helps them develop better browning.

Watch them near the end
Because of the brown sugar, they can go from nicely caramelized to too dark pretty quickly in the last few minutes. Start checking for doneness around the 27-minute mark.

Store leftovers the right way
Let the sweet potatoes cool completely, then transfer them to an airtight container and refrigerate for up to 4 days. If they are still warm when stored, they can trap moisture and turn soft faster.

Reheat for the best texture
To bring back some of the roasted edges, reheat them in the oven or air fryer instead of the microwave. The microwave works, but it will make them softer.

Make them ahead if needed
You can peel and cube the sweet potatoes ahead of time, then keep them in cold water in the fridge for several hours. Just dry them very well before seasoning and roasting so they brown properly.

The key is seasoning both sides differently: rosemary and thyme on one side, then cinnamon and brown sugar on the cut side so it bakes into a sweet, sticky glaze. A brush of melted butter halfway through is what brings it all together. It’s a simple sheet-pan recipe, but the flavor feels like something you’d order as a side at a great restaurant.

Ingredients

• 5 medium sweet potatoes, halved lengthwise

• 4–5 Tbsp oil, divided (about 2 Tbsp for the pan + 2–3 Tbsp to coat)

• 3 Tbsp butter, melted

Seasonings

• 3 tsp dried rosemary, divided

• 3 tsp dried thyme, divided

• 1 1/4 tsp salt (skin side only)

• 1 tsp ground cinnamon 

• 2 tsp adobo seasoning 

• 2 Tbsp brown sugar

Instructions

1) Preheat + prep the pan

Preheat oven to 400°F.
Spread a thin layer of oil over a large sheet pan so the potatoes can roast (not stick).

2) Oil the sweet potatoes

Cut your sweet potatoes in halves, and place them cut-side down on the oiled pan and slide them around a bit so the cut sides pick up oil.
Flip them over and rub a light coat of oil over the skins and cut sides so they brown evenly.

3) Season side #1 (skin side / salted side)

With the skin side facing up, season with:

• half the rosemary

• half the thyme

• all the salt

4) Flip and season side #2 (cut side)

Flip the potatoes so the cut side faces up, then season with:

• remaining rosemary

• remaining thyme

• cinnamon

• adobo seasoning

• brown sugar (spread it in a thin, even layer so it caramelizes instead of burning)

5) First roast

Roast for 20 minutes.

6) Flip + butter halfway

Pull the pan out and flip the potatoes again.
Brush/spoon the melted butter over the tops. (It’ll run down and help baste the edges.)

Return to the oven and roast 18–25 minutes more, until deeply caramelized.

7) Know when they’re done

They’re ready when:

• a fork slides in easily, and

• the edges look dark and roasted with caramelized spots, and

• the surface looks “set” (not wet or grainy with sugar)

Optional: extra-dark, crispier edges

Broil briefly at the end, watching closely so the sugar doesn’t burn.

If these roasted sweet potatoes made it onto your “make again” list, do me a favor—save the photo below to your Pinterest board so you’ve got it ready the next time you’re craving that caramelized, buttery edge.

Tips & Tricks for the Best Results

• Pick the right sweet potatoes. Medium ones roast more evenly than huge ones. If you’re using very large sweet potatoes, expect a longer cook time.

• Cut them evenly. Try to keep the halves similar in thickness so they finish at the same time. If one half is much thicker, it’ll still be firm when the others are done.

• Spread the brown sugar thin. A light, even layer caramelizes into a glossy coating. Big piles tend to burn before the potatoes are fully roasted.

• Use the edges as your “crisp meter.” The centers should be soft, but the real magic is at the edges where the sugar and butter concentrate and get dark and sticky.

• Crowding = steaming. Give the potatoes space. If they’re packed in, moisture builds up and you’ll miss that deeper roasted finish. Use two pans if needed.

• Butter halfway, not at the start. Adding melted butter mid-roast helps it cling, baste the sides, and deepen browning without burning too early.

• Watch closely if you broil. It’s the fastest way to get that darker “video-style” finish, but brown sugar can go from perfect to bitter in a minute. Keep the oven door cracked and don’t walk away.

• Let them sit for a few minutes. Right out of the oven, the sugar is still soft. A short rest helps the glaze set up so the tops feel less sticky and the edges stay crispier.

• Reheat the right way. For leftovers, use the oven or air fryer to bring back the roasted edges. The microwave works, but it softens everything.

Leftover Storage & Reheating

How to store

• Let the sweet potatoes cool to room temp (don’t leave them out longer than about 2 hours).

• Transfer to an airtight container.

• Refrigerate for up to 4 days.

Freezing (optional)

• You can freeze them for up to 2 months, but the texture will be softer after thawing and the caramelized top won’t stay as “roasty.”

• Freeze in a single layer on a tray first, then move to a freezer bag/container.

Best ways to reheat (to bring back the edges)

• Oven: Spread on a sheet pan and reheat at 400°F until hot and the edges look lively again.

• Air fryer: Reheat in a single layer at 375–400°F until warmed through.

Microwave (quickest)

• Works fine for speed, but expect a softer texture. If you want, microwave to warm them, then finish for a few minutes in a hot oven/air fryer to crisp the edges again.