Old Time Buttermilk Pie

8 tbs. butter 2 c. sugar 3 tbs. flour 3 eggs, beaten 1 c. buttermilk 1 tsp. vanilla extract dash nutmeg (optional) 1 unbaked 9" pie shell Preheat oven to 350F. In a bowl, beat butter with sugar until creamy. Beat in flour and eggs. Stir in buttermilk, vanilla and, if desired, nutmeg. Pour into pie shell. Bake in preheated oven until custard sets, 45-50 min. Cool before serving. Makes 6 servings.