1 Preheat the oven to 400 degrees F. Place rolls, seam side down, in a shallow baking pan. 2  Bake the chicken breasts, uncovered, at 400 degrees F for 25 minutes or until chicken is tender and no longer pink. 3  Remove toothpicks before serving. Over medium-high heat, bring liquid to boiling. 2  Reduce heat and cover, simmering until the chicken is no longer pink or when the temperature reaches 170 degrees F. 3  Whole chicken breasts will take about 15 to 20 minutes.