Vidalia Onion Pie

1(9 or 10-inch) baked pie shell

3 tablespoon melted butter or margarine

3 cup thinly sliced onions

1 1/2 cup sour cream

1/2 cup milk

2 beaten eggs

3 tablespoons flour

4 strips fried bacon, crumbled

Cook onions in the melted butter until lightly browned. Spoon into baked pie shell. Combine milk, sour cream, salt (optional), eggs and flour. Mix well; pour over onions. Garnish with bacon. Bake at 325 F. for 35 to 40 minutes or until firm in the center. Serves 6 to 8.