 According to the vast majority of the Ulema of the Salaf and Khalaf it is a desirable and recommended prayer.Four Rak'aah Sunnah of Zuhr

Muhammad (Peace & Blessings Be Upon Him) is reported to have said that Whoever performs the four rakaats before and after the Zuhr salah with constancy, Allah Ta'ala makes the fire of Hell haram (forbidden) for him.