Vinegar Pie - cooking recipe

Ingredients

1 c. sugar
2 egg yolks
1/4 tsp. salt
2 Tbsp. butter or margarine
1 c. cold water
3 Tbsp. flour
5 Tbsp. vinegar (apple cider)

Preparation

Mix sugar, egg yolks, salt, butter or margarine and flour (dissolve flour in a little water first) and the rest of the water and vinegar together.
Cook over hot water, about 25 minutes. Cool a few minutes to luke warm.
Pour filling into the unbaked pie crust and bake in 425\u00b0 oven until the pastry is nicely browned.
Beat the egg whites, add a tablespoon of sugar per egg and flavor with lemon juice.
Beat until the whites form a peak meringue.
Brown lightly in a 325\u00b0 oven.
The use of the meringue is optional.