She never made these when I was around; per mom Boo and her friend who lived behind the D&H store on West Blvd. use to get together and make donuts all day.
What you'll need:
1 cup sugar
1 cup mashed potatos
2 eggs
Pinch of Salt
3T of melted lard
1 cup of sweet milk
3 cups of flour
2t baking power
1/2t of vanilla
Pinch of mix
Mix dry ingredients together; add wet ones. Same recipe can be used for a cake. Cook or bake donuts as desired.