The temperature that you should bake boneless skinless chicken breasts at is 375 F for 20 to 30 minutes.
For bone in chicken breasts they should be cooked at 375 F for 35 to 40 minutes.
Skinless chicken breast including boneless skinless chicken breast is the healthiest chicken meat.
White chicken meat is also healthier than dark chicken meat due to it's lower fat content.
Dark chicken meat such as the legs and thighs have more fat, although they do also have more essential minerals and vitamins.
White chicken meat is meat such as the chicken breasts.
Removing the skin from the chicken before cooking it also helps reduce the fat content significantly.
For the healthiest cooking options for chicken meat you should use baking, roasting or grilling for cooking the chicken instead of frying the chicken to reduce added fat.
Skinless chicken breast is also the leanest cut of chicken meat that has the most protein and lowest fat content which makes it ideal for people who are muscle building and or managing their weight .
If you're looking to increase your iron and zinc intake the dark cuts of chicken meat like drumsticks and chicken thighs would be better but they contain more fat.