Grandma Dixon used to make these for the grankids as a special breakfast treat. Served beside her fried fish and eggs it was cholesterol heaven. Still nothing better to use those left over mashed potatoes. Psst, I think she made extra potatoes on purpose! Eat plain, glazeed or cover in cinnamon powdered sugar and enjoy!
In mixer beat eggs, sugar and potatoes until light and fluffy. Add oil and dry ingredients and mix well. Roll out on floured surface until desired thickness. Cut into doughnut shapes, reserving the holes. Fry in deep fat fryer at 350 degrees. Flip over when first side is golden brown and cook until the whole doughnut is golden brown. Drain on paper towel. Eat plain, with glaze or roll in cinnamon and sugar. Excellent eaten warm but will store in an airtight container up to one week.
Note: Sometimes your mashed potatoes may be dry or other times extremely wet. Adjust the flour added accordingly. I just made a batch this morning and it took 3 cups of flour to get the doughnuts to the roll out consistency.
Fold in 2 c of grated apples to make a darn good addition to these doughnuts. These are moist to start with inside but when you add the apples they are even moister. Yum!