Sweet potato · At 400°F in the air fryer.43-59 minutes at 400°F
Whole sweet potato, 9-10 oz. A useful starting range, with the details that matter.
Sweet potato, your setting
at 400°F
Based on COSORI: Iconic cooking times chart.
Source entry: Sweet Potato baked whole. Portion controls describe one piece or planning portion; they are separate from the manufacturer’s total basket load.
From preheat to the final check.
- 1
Preheat
400°F; follow your appliance instructions.
- 2
Cook
43-59 minutes; keep pieces evenly spaced.
- 3
Turn
At about 21 minutes, turn or shake.
- 4
Check
Test the center for tenderness or the stated texture.
- 5
Rest
No mandatory USDA rest time for this food.
A quick size comparison.
The source reference is marked below. Other rows are modelled estimates at your selected settings.
| Reference size | Typical time | Basis |
|---|---|---|
| 4.75 oz | 27-38 minutes | Model estimate |
| 9.5 oz | 43-59 minutes | Model estimate |
| 19 oz | 1 h 8 min to 1 h 32 min | Model estimate |
Same food. Different details.
A few things worth knowing.
How long does sweet potato take in the air fryer?
For Whole sweet potato, 9-10 oz, the chart baseline is 45 minutes to 1 h at 385°F. Adjusted sizes and temperatures are modelled estimates.
What makes sweet potato cook faster or slower?
Check the center with a skewer; whole potatoes and cut pieces need different times. Thickness, initial temperature and appliance output also matter. A total basket weight does not describe the thickness of each piece.
Can I cook sweet potato from frozen?
The frozen setting gives a starting range. The manufacturer’s general extra 2-5 minutes is a starting adjustment, rather than a tested range for this food. Confirm doneness independently; follow package instructions if they differ.
When should I start checking?
Check at 43 minutes for this setting. Keep cooking if the center has not reached the appropriate safety endpoint or texture. A timer is a reminder to check.
How do I know when sweet potato is done?
Check the center for the texture you want. Start checking at the lower end of the range; your appliance and starting temperature can change the result.
Next on the menu?
More air fryer timesWhere this range comes from.
- COSORI: Iconic cooking times chartChecked 2026-10-01
- North Carolina Sweetpotato Commission: cooking methodsChecked 2026-10-01
Reference facts are compiled from primary charts. Adjusted ranges are planning estimates. Read how we calculate them.