Air Fryer Sweet Potato Cubes
Ready in about 26 minutes.
Updated 7 September 2026
Golden, caramelised sweet potato cubes with crisp edges and fluffy centres. The air fryer roasts them faster than the oven and keeps them from turning soggy, making a versatile side for bowls, tacos or roast dinners.
Ingredients
- 700 g sweet potatoes, peeled and cut into 2 cm cubes
- 1.5 tbsp olive oil
- 1 tsp smoked paprika
- 0.5 tsp garlic powder
- 0.5 tsp ground cumin
- 0.5 tsp fine salt
- Pinch of black pepper
Method
- 1Preheat the air fryer to 200°C (400°F) for 3 minutes.
- 2Toss the sweet potato cubes with oil and all the spices until evenly coated.
- 3Tip into the basket in a single layer, working in batches if needed.
- 4Cook for 15-18 minutes, shaking the basket every 8 minutes for even browning.
- 5They are ready when the edges are crisp and a fork slides through easily.
- 6Season with a little extra salt and serve hot.
Tips for the best results
- Cut the cubes the same size so they cook evenly.
- Do not overcrowd the basket or they will steam instead of crisp.
- A light spritz of oil in the last few minutes boosts crispness.
Frequently Asked Questions
What temperature and time for air fryer sweet potato cubes?+
Cook at 200°C / 400°F for 15-18 min, shake every 8 min.
Can I use frozen sweet potato?+
Yes, cook straight from frozen at 200°C for 18-22 minutes, shaking twice. Do not thaw first.