Buttermilk Pie

3 eggs
1/2 cup butter, softened
1 1/2 cups white sugar
3 tablespoons all-purpose flour
1 cup buttermilk
1 teaspoon vanilla extract
1 tablespoon lemon juice
1/8 tablespoon freshly grated nutmeg
1 (9 inch) unbaked pie crust

Preheat oven to 350 degrees.
Beat eggs until frothy; add butter, sugar and flour. Beat until smooth. Stir in buttermilk, vanilla, lemon juice and nutmeg; pour into pie shell. Bake for 40 to 60 minutes, or until center is firm.