Glazed Potato Doughnuts
["1 pkg. active dry yeast", "1/4 c. warm water", "1 c. milk, scalded", "1/4 c. shortening", "1/4 c. sugar", "1 tsp. salt", "3/4 c. mashed potatoes (instant may be used)", "2 eggs, beaten", "5 to 6 c. sifted flour", "1 lb. confectioners sugar", "6 Tbsp. water", "1 Tbsp. vanilla"]
["Dissolve yeast in warm water.", "Combine milk, shortening, sugar and salt.", "Cool until lukewarm.", "Stir in yeast, potatoes and eggs. Gradually add enough flour to make soft dough."]
["active dry yeast", "warm water", "milk", "shortening", "sugar", "salt", "mashed potatoes", "eggs", "flour", "confectioners sugar", "water", "vanilla"]