Chicken breast · At 375°F in the oven.18-29 minutes at 375°F
Boneless breast, 4 oz. A useful starting range, with the details that matter.
Chicken breast, your setting
at 375°F
Based on FoodSafety.gov: meat and poultry roasting charts.
Source entry: Chicken breast halves, boneless 4 oz. 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
375°F; follow your appliance instructions.
- 2
Cook
18-29 minutes; keep pieces evenly spaced.
- 3
Check
165°F at the center; Poultry.
- 4
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 |
|---|---|---|
| 2 oz | 12-19 minutes | Model estimate |
| 4 oz | 18-29 minutes | Model estimate |
| 8 oz | 29-45 minutes | Model estimate |
Same food. Different details.
A few things worth knowing.
How long does chicken breast take in the oven?
For Boneless breast, 4 oz, the chart baseline is 20-30 minutes at 350°F. Adjusted sizes and temperatures are modelled estimates.
What makes chicken breast cook faster or slower?
Keep pieces in a single layer; crowded baskets need more time. Thickness, initial temperature and appliance output also matter. A total basket weight does not describe the thickness of each piece.
Can I cook chicken breast from frozen?
The frozen setting gives a starting range. The 50% longer oven estimate is an editorial transfer of USDA frozen-poultry guidance, rather than a food-specific test. Confirm doneness independently; follow package instructions if they differ.
When should I start checking?
Check at 18 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 chicken breast is done?
Check the thickest part, away from bone. Whole birds: also check the inner thigh and wing; stuffing must reach 165°F. A thermometer beats any timer.
Next on the menu?
More oven timesWhere this range comes from.
- COSORI: Iconic cooking times chartChecked 2026-10-01
- FoodSafety.gov: meat and poultry roasting chartsChecked 2026-10-01
- Weber: grilling guide, page 13Checked 2026-10-01
- Ninja: PossibleCooker cooking guideChecked 2026-10-01
- FoodSafety.gov: safe minimum internal temperaturesChecked 2026-10-01
Reference facts are compiled from primary charts. Adjusted ranges are planning estimates. Read how we calculate them.