Preheat the oven to 400°F
Pat the chicken breasts dry
Place the chicken breasts on a baking sheet or in a baking dish
Brush or rub with oil
Season with salt, pepper, and any desired spices
Bake for 20 to 25 minutes
Check that the internal temperature reaches 165°F
Remove from the oven
Let rest for 5 to 10 minutes
Slice and serve