Proof the yeast in milk and a little bit of flour. Mix in rest of dough and let rise. Mix ingredients for filling. Divide dough into 8-10 pieces. Form patties with an indentation in the center. Put some of the filing into it and close up into a ball. Grease and ovenproof dish and put in doughnuts touching each other. Let rise for 15 minutes. Bake at 350F for 45 minutes. Serve with fruits, vanilla sauce or fruit juice.