Oven Roasted Diced Sweet Potatoes

Ingredients

• 30 ml (2 tablespoons)cooking oil
• 3sweet potatoes, peeled and cut into 1.3 cm (½-inch) pieces
• ¼ teaspoonoregano
• ¼ teaspoonsalt
• ¼ teaspoonblack pepper
• to servebutter

Instructions

1. 1

   Heat the oven

   Preheat the oven to 180°C (350°F) and grease an oven-safe baking dish with non-stick cooking spray.

2. 2

   Dice the potatoes

   Peel the sweet potatoes and cut them into 1.3 cm (½-inch) pieces, keeping the pieces similar in size so they cook evenly.

3. 3

   Coat with oil

   Put the sweet potatoes in the baking dish, drizzle over the oil and toss to coat.

4. 4

   Mix the seasoning

   Combine the oregano, salt and black pepper in a small bowl, then sprinkle the mixture over the potatoes.

5. 5

   Bake covered

   Cover the dish with foil and bake for 20 minutes.

6. 6

   Bake uncovered

   Remove the foil and bake for a further 20 minutes, or until the potatoes are tender when pierced with a fork.

7. 7

   Add the butter

   Serve the potatoes with a generous amount of butter.

What are roasted sweet potatoes?

Sweet potatoes are root vegetables with a naturally sweet, earthy flavour. This American-style side takes a savoury route, pairing diced potatoes with oregano, salt and pepper rather than a sweet topping.

The method keeps things simple: the cubes cook covered first, then uncovered until fork-tender. Butter added at serving brings a rich finish.

Nutrition and macros by portion

The nutrition label shows one serving as written: 114 calories, 0g protein, 0g carbs, 0g fat.

The sweet potatoes provide most of the carbohydrates, while the cooking oil and serving butter contribute most of the fat. There is little protein in the listed ingredients; pair a portion with a protein-rich main and a green vegetable for a more balanced plate.

Keep the cubes even

Cut size: Aim for pieces about 1.3 cm (½ inch) across and keep them as uniform as possible. Similar-sized cubes are more likely to become tender at the same time.

Peeling: The recipe calls for peeled potatoes, so remove the skins before dicing.

Season for a savoury finish

Oregano: A small amount gives the potatoes an herbal note without taking over their flavour.

Oil: Toss the cubes so they are coated before adding the seasoning. This helps distribute the oil and spices across the pieces.

Check for tenderness

Covered baking: Keep the dish under foil for the first 20 minutes, as directed. Then remove the foil for the remaining 20 minutes.

Doneness: Test a piece with a fork; it should pierce easily. If the cubes are not tender after the stated baking time, continue baking until they are.

Serve it as a side

Butter: Add it when serving, as the recipe specifies, so it melts over the hot potatoes. Adjust the amount to suit your preference.

Pairing: Serve alongside a main course and another vegetable or salad for a more varied plate.

Recipe notes & tips

• Cut the potatoes into evenly sized cubes so they cook at a similar rate.
• Toss the cubes thoroughly with the oil before sprinkling over the seasoning.
• Use an oven-safe dish that holds the potatoes without needing to pile them too deeply.
• Keep the foil on for the first 20 minutes, then remove it for the final bake.
• Pierce a few cubes with a fork to check that they are tender before serving.

Variations

• Try another herb: Swap the oregano for a similar amount of dried thyme.
• Add garlic: Include a little garlic powder with the oregano, salt and pepper.
• Bring some heat: Add a pinch of chilli flakes to the seasoning.
• Finish with herbs: Scatter chopped fresh parsley over the potatoes when serving.
• Adjust the butter: Serve the butter separately so everyone can add the amount they prefer.

Common mistakes to avoid

• Uneven cubes: Different sizes can cook at different rates; cut the pieces as uniformly as you can.
• Skipping the oil toss: Dry, unevenly seasoned pieces can result; coat the potatoes before adding the spices.
• Removing foil too early: Follow the covered 20-minute bake before uncovering the dish.
• Relying only on the timer: Test with a fork and continue baking if the potatoes are not yet tender.
• Adding butter before baking: The recipe uses butter for serving; add it after the potatoes are cooked.

How to store

Refrigerate leftover potatoes in a covered container and use within 3–4 days. Reheat in the oven or microwave until hot throughout; add butter when serving.

Frequently asked questions