quick & easy
Bring potatoes to a boil and cook until softened. Remove potato and mash. Set aside 1 cup mashed potatoes. Set aside 1 ½ cups potato water
Add the potato water to the bowl of a mixer, along with yeast combined with warm water, sugar, and salt. Then mix in the eggs and butter, the mashed potatoes & flour.
Place dough in lightly greased bowl to rise. Lightly grease top of dough and cover with a towel. Place dough in warm place and let rise for 2 hours