Get mixer with dough hook ready. You can easily do it by hand as well.
Get 1 cup mashed potatoes ready. Either leftovers, homemade, or instant.
Add warm water and yeast to mixing bowl
The mashed potatoes
Add two eggs to potatoes
Mix em together
Add shortening, sugar, salt, and potato mixture to the yeast in the bowl and mix together
Start adding flour, 2 cups at a time to bowl
After first 2 cups
After 4 cups of flour
After 6 cups of flour
After 7.5 cups of flour
Knead until smooth and place in oiled bowl to rise
Get pans ready once dough has doubled in size
Create rolls from dough and place on ungreased pans to rise again
Once doubled in size again, bake at 350 degrees Fahrenheit for about 15 minutes until lightly browned
We add butter when they're hot out of the oven and you're ready to eat!