Buttermilk Pie
["2 c. sugar", "1/2 c. butter", "3 Tbsp. (rounded) flour", "3 eggs, beaten", "1 c. buttermilk", "1 tsp. vanilla", "1 uncooked pie shell"]
["Mix all ingredients; pour into pie shell.", "Bake at 350\u00b0 for 45 to 50 minutes."]
["sugar", "butter", "flour", "eggs", "buttermilk", "vanilla", "shell"]