Buttermilk Pie
["3 eggs", "2 c. sugar", "2 Tbsp. flour", "1/2 tsp. salt", "1 stick margarine", "1/2 c. buttermilk", "1 tsp. vanilla"]
["Bake in unbaked pie shell at 350\u00b0 until done."]
["eggs", "sugar", "flour", "salt", "margarine", "buttermilk", "vanilla"]