1 c. white sugar
1 level tsp. flour
1/2 tsp. salt
2 egg yolks
1 whole egg
3 tbsp. water
1 tsp. white vinegar
3/4 lb. butter (1/2 c.)

Mix flour, sugar, and salt. Beat egg yolks and whole egg together, adding water, vinegar, and melted butter; beat together well. Then add sugar, flour, and salt mixture and mix until smooth. Pour into 9 inch pie shell and bake for 30 minutes at 350 degrees. Serve plain or with whipped cream or make meringue.