Old-Fashioned Vinegar Pie
["1 c. sugar", "2 eggs", "2 Tbsp. vinegar", "2 Tbsp. flour or cornstarch", "1 c. water", "small lump margarine", "1/2 tsp. lemon extract"]
["Combine sugar, eggs,", "vinegar,\tflour or cornstarch and water in double boiler.", "Cook", "until", "thickened", "and", "smooth, stirring occasionally.", "Just", "before", "removing from heat, stir in butter and lemon extract.\tPour", "into", "baked pie shell.", "If desired, pie may be topped with whipped topping."]
["sugar", "eggs", "vinegar", "flour", "water", "lump margarine", "lemon extract"]