Feather Light Donuts - cooking recipe

Ingredients

2 (1/4 ounce) packages each active dry yeast
1 1/4 cups warm milk
1 cup cold mashed potatoes
1 1/2 cups sugar
1/2 cup vegetable oil
2 teaspoons salt
2 teaspoons vanilla extract
1/2 teaspoon baking soda
1/2 teaspoon baking powder
2 eggs
5 1/2 cups flour
1/2 teaspoon cinnamon
4 cups oil

Preparation

in a mixing bowl, dissolve yeast in warm milk.
add potatoes, 1/2 cup sugar, 1/2 cup oil, salt vanilla, baking powder, baking soda and eggs. mix well.
add enough flour to form a soft dough.
place in a greased bowl, turning once to grease top.
cover and let rise in a warm place about one hour til doubled.
punch dough down and roll out into a floured surface to about 1/2 inch thickness.
cut with 3 inch donut cutter.
let rise another 45 minutes.
combine cinnamon and remaning sugar.
heat oil and fry til golden brown on each side.
sprinkle with cinnamon and sugar.