I had this frosting on a cinnamon roll when I was teaching at Waverly HS. I have cut the recipe into 1/4, to make it more to a family size tray of C rolls.
Ingredients:
1/2 stick of butter
1/2 c. brown Sugar
1/2 c. milk
1 t. vanilla
1 1/2 t. maple flavoring
3 3/4 c. powdered sugar
Melt butter and brown sugar and bring to a boil. Cool slightly and add milk. Mix with mixer, the remaining ingredients. Frost rolls.