Bake a 4-ounce chicken breast at 350°F (177°C) for 25 to 30 minutes. Use a meat thermometer to check the internal temperature is 165°F (74°C). breast halves, bone-in 6 to 8 oz 30 to 40 minutes ...
Bone-in chicken breasts, between 6 to 8 ounces, should stay in the oven for a bit longer at 30 to 40 minutes. The U.S. government’s food safety poultry roasting guide recommends adding 15 to 30 ...