Montana Sourdough Doughnuts

2 eggs
1 cup sugar
1 cup sourdough starter (purchased or homemade)
1/2 cup buttermilk
1 tablespoon melted lard or cooking oil
4 1/2 cups sifted all purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1/2 teaspoon ground nutmeg
Fat for frying

Beat eggs and sugar together Add starter, buttermilk, lard, and sifted dry ingredients. Mix well. Turn out dough and knead on a lightly floured board until smooth. Roll to 1/2-inch thickness and cut with 2 3/4-inch doughnut cutter. Put on greased cookie sheet and let rise for 30 minutes. Fry in hot deep fat (370*F.)until golden brown and done. Roll in sugar. Makes about 3 dozen.