Dissolve yeast in milk. Sift dry ingredients; cut butter into mixture as you would for pie dough. Toss in liquids. Knead until smooth. Let rise about 2 hrs. Divide into 4 pcs. Roll each pc. Very thin. Spread with filling and roll as for a jelly roll. Bake on a lightly greased sheet at 350 F. until brown, abt. 30 to 45 min. Slice into pieces of desired size.