how long do cook chicken in oven
Â· just now. Report Abuse. If you are baking a whole chicken, put in the oven 400 degree F for 45 minutes to 1 hour. If you are doing chicken breast only, pre-heat in broil put chicken (skin side up for 10 minutes), then reduce the heat to 400 degrees and bake for 15 minutes. Flip the breast to skin side down and bake for 5 to 10 minutes or until chicken is no long pink.