Vinegar Pie
["4 eggs", "1 1/2 c. sugar", "1/4 c. butter or margarine, melted", "1 1/2 Tbsp. cider or white vinegar", "1 tsp. vanilla extract", "9-inch frozen pie shell, defrosted"]
["Preheat oven to 350\u00b0.", "In a large mixing bowl, combine eggs, sugar, butter, vinegar and vanilla; mix well.", "Pour into pie shell.", "Bake until firm, about 50 minutes.", "Cool on a rack.", "Serve garnished with chopped nuts or whipped cream if desired."]
["eggs", "sugar", "butter", "cider", "vanilla extract", "frozen pie shell"]