Chest discomfort can be a sign of a serious condition. Seek immediate medical care (call 911) if you experience chest discomfort along with shortness of breath, rapid heart rate, loss of consciousness, or severe trauma to the chest. Seek prompt medical care if your chest discomfort is persistent or causes you concern.
The internal temperature of cooked chicken, whether whole or in parts, should reach 165 degrees F.
Baking Your Chicken. 1  1. Cook your chicken breasts at 400 degrees Fahrenheit (205 degrees Celsius). Make sure your oven is completely preheated before putting the chicken in the oven. 2  2. Check the chicken's temperature regularly. Usually, it takes around 30 to 40 minutes to bake chicken breast.