Dissolve yeast in water.
Stir in sugar, salt, shortening, eggs, andpotatoes.
Add 3 cups flour and beat 2 minutes. Add remaining flour and knead until dough issmooth and elastic.·
Place in greased bowl and cover for about an hour, until it doubles.
For the frosting, cream together brown sugar, milk, powdered sugar and butter, add small amountof water to mixture so it spreads easily on the dough before rolling up.
Use half of the frosting and then reserve remaining frosting.
Divide dough in half. Roll each into a 9” X15” rectangle. Spread with frosting mixture and sprinklewith cinnamon. Roll tightly starting at wide end.
Pinch edges to seal. Cut into 1 ½” slices.
Place on greased 9” X 13” pan. Allow rolls to double for 2 -2 ½ hours.
Bake 20 – 25 minutes at 350 degrees.