Dissolve yeast in warm water and set aside.
Scald milk, add margarine and cool to lukewarm.
Add salt, eggs, 1/2 tsp. maple flavoring, 1/4 c. sugar and softened yeast. Gradually add flour.
Work dough together and let rise to double (45-60 min.)
While dough rises combine nuts, 1/3 c. sugar, 1 1/2 tsp. flavoring and cinnamon in a bowl.
Divide dough into thirds and roll each third into a 12" circle.
Place 1/3 on a greased pizza pan, butter and put 1/2 of the filling on top. Repeat. Top with last of dough.
Mark, but don’t cut a 2" circle in the middle. Then cut from the outside edge to the circle, making 16 pie shaped wedges. Leave on pizza pan.
Twist each wedge 5 times. Let rise until double (30-45 min.)
Bake at 325 degrees for 20 minutes or until golden brown.
Ice while warm with a mixture of the powdered sugar, milk and maple flavoring.