Preheat the oven to 400°F (200°C)
Pat the boneless chicken breasts dry
Place the chicken on a baking sheet or in a baking dish
Brush or drizzle with oil
Season with salt, pepper, and any desired spices
Bake for 18–25 minutes, depending on thickness
Check that the internal temperature reaches 165°F (74°C)
Remove from the oven
Let the chicken rest for 5–10 minutes before slicing or serving