Vinegar Pie

Directions

1. 1
   Bake pie shell; cool.
2. 2
   Mix sugar and flour in 2-quart saucepan. Add enough water to vinegar to measure 1 cup.
3. 3
   Blend into eggs. Stir egg mixture gradually into sugar mixture.
4. 4
   Cook over medium heat, stirring constantly until mixture thickens and boils.
5. 5
   Boil and stir 1 minute.
6. 6
   Remove from heat; stir in butter and lemon extract.
7. 7
   Cool slightly.
8. 8
   Pour into pie shell; refrigerate.
9. 9
   Serve with whipped cream.