Chess Pie

½ c butter

1 ½ c sugar

3 eggs

1 tsp vinegar

1 tsp vanilla

1 tsp cornstarch

1 unbaked pie shell

Pinch of salt

Mix butter and sugar. Add eggs, one at a time. Mix well after each. Add vinegar, vanilla, cornstarch, and salt. Mix well. Pour into pie crust. Bake at 350 for 30-40 min or until light brown and set.