Vinegar Pie
["1/2 c. butter", "1 1/2 c. sugar", "2 Tbsp. vinegar", "3 whole beaten eggs", "1 tsp. vanilla"]
["Cream together.", "Pour into unbaked shell.", "Bake at 350\u00b0 for 45 minutes or until center of pie is firm."]
["butter", "sugar", "vinegar", "eggs", "vanilla"]