Buttermilk Pie
["3 eggs, separated", "1 c. sugar", "4 Tbsp. flour", "1 Tbsp. butter", "2 c. buttermilk", "grated rind of 1 lemon", "1 tsp. lemon extract"]
["Beat egg yolks and sugar.", "Mix flour and butter.", "Then add all ingredients together.", "Pour into 2 pie crusts.", "Bake at 450\u00b0 for 10 minutes.", "Reduce heat to 350\u00b0 and bake for another 30 to 35 minutes.", "Beat egg whites until frothy; add 6 tablespoons sugar. Spread over pies and brown."]
["eggs", "sugar", "flour", "butter", "buttermilk", "lemon", "lemon extract"]