Baked stuffed chicken breast with spinach and mushrooms

How long do you cook chicken breast in the oven?

How long should I bake chicken breast?.
20 to 30 minutes for large boneless, skinless chicken breasts cooked in a 375 degrees F oven..
35 to 40 minutes for large bone-in, skin-on chicken breasts cooked in a 375 degrees F oven..

What can I put inside a chicken?

Stuff the chicken with ½ head of garlic, 1/2 of the onion, a few carrots, 1/2 lemon and thyme sprigs. Truss the legs with cooking twine and tuck the wings under the bird. Arrange the remaining vegetables on the bottom of the roasting pan and set the chicken breast-side-up on top of vegetables in roasting pan.