Mix dry yeast with water; add rest of ingredients and put in refrigerator overnight or longer (can use in about an hour if desired). Roll out; put melted butter, brown sugar and cinnamon on dough. Roll up jelly roll fashion and cut in 1 1/2" pieces. Put on cookie sheet. Let rise 1 1/2 hours. Bake about 15 minutes at 375 . Ice immediately with mixture of butter, vanilla, powdered sugar and a little milk. Can freeze.