Cutting Rhubarb at St. Peter’s Abbey Posted on June 13, 2019June 13, 2019 by Brother Webmaster Fr. Cosmas (standing), Brs. Luis and Denys (right front) and two visitors to the abbey cut rhubarb. brkurt Webmaster I am a Benedictine monk of St. Peter’s Abbey, Muenster, Saskatchewan. Posted in News.