Heat oven to 400° F. Rinse the chicken and pat it dry with paper towels. Place in a roasting pan. Drizzle with 1/4 cup bottled teriyaki sauce, the salt and 1/2 teaspoon of the pepper; turn to coat. Roast the chicken for 30 minutes. Drizzle with 1/4 cup additional teriyaki sauce and cook for 15 minutes more. Serve with cooked rice.