Dough: Sift together dry ingredients; Add egg; sour cream, and butter. Blend thoroughly and knead well. Roll out and stretch to a thin dough and fill one end and roll up in long strips (Length of pan) or make individual pockets (knishes) Place on a shallow baking tin that has been liberally greased with butter(melted) . Bake at 350* until lightly nbrowned (perhapps up to an hour) basting occasionally with melted butter. Makes about 30