Preheat oven to 425ºF, and line a rimmed baking sheet with parchment paper (for easy cleanup). Drizzle the chicken breasts with olive oil, and season with 1 teaspoon of salt and pepper. Roast until the chicken reaches an
internal temperature of 165ºF, about 15-20 minutes depending on the thickness of your chicken. Remove from oven, and allow to rest until cool enough to touch. Then chop into 1″ chunks.