Vinegar Pie - cooking recipe

Ingredients

2 c. water
1/3 c. cider vinegar
1/2 c. cornstarch
1 1/2 c. sugar
1 Tbsp. butter
1 tsp. lemon flavoring
1 1/2 tsp. grated lemon peel (optional)
3 egg yolks, beaten

Preparation

Blend water with vinegar and cornstarch.
Bring to a boil and let thicken.
Stir in sugar, butter, flavoring, peel and egg yolks.
Pour into a 9-inch baked pastry shell and let cool completely.