Hamantashen filled with fruit or nuts are a nice Jewish Purim treat. Watch as an easy and foolproof recipe is used to make these traditional triangular cookies. Almond, Poppy Seed, and Plum (or Prune) cake and pastry fillings are used to make these beautiful and tasty cookies.Hamantashen, also known as 'Haman pockets') is an Ashkenazi Jewish triangular filled-pocket pastry, associated with the Jewish holiday of Purim. The name refers to Haman, the villain in the Purim story. In Hebrew, hamantashen are also known as אוזני המן (oznei Haman) meaning 'Haman's ears'. 'Haman's ears' also refers to a Sephardic Purim pastry, "Orejas de Haman," thought to originate in Spain and Italy, that is made by frying twisted or rolled strips of dough.