Heat milk with butter and sugar. Set aside and cool to lukewarm. ( First take a little of the milk to dissolve the yeast in). Mix together flour, milk mixture, dissolved yeast mixture, and beat until dough loosens from bowl.
Lightly oil a Tupperware bowl and put dough into it, close it tightly and put in refrigerator overnight to chill.
Beat egg whites till firm, add powdered sugar and continue beating till stiff peaks form.
Butter and flour a tube pan. Roll out dough. Spread with
egg white mixture; add the chopped or ground walnuts and sprinkle on some raisins which have been soaked in rum; then top this with the cinnamon/sugar mixture. Roll up jelly roll fashion and place in tube pan to rise.
Dough should rise 2 hours before baking.
Bake at 350º for 50to 60 min.