Buttermilk Pie
["3 eggs", "3 Tbsp. flour", "1 3/4 c. sugar", "1/2 stick melted margarine", "1 1/2 tsp. pure vanilla", "1 c. buttermilk"]
["Beat eggs well; add sugar, flour and buttermilk, beating after each addition.", "Add melted margarine and vanilla.", "Cook at 300\u00b0 until done or about 1 hour."]
["eggs", "flour", "sugar", "margarine", "vanilla", "buttermilk"]