Old Fashioned Vinegar Pie
["1 stick melted margarine", "1 1/2 c. sugar", "2 Tbsp. flour", "1 Tbsp. vanilla", "2 Tbsp. apple cider vinegar", "3 eggs", "1 (9-inch) unbaked pie shell"]
["Combine the six ingredients.", "Pour into pie shell.", "Bake at 300\u00b0 for 45 minutes."]
["margarine", "sugar", "flour", "vanilla", "apple cider vinegar", "eggs", "shell"]