Lemon Pie
["1 1/2 c. sugar", "4 Tbsp. cornstarch", "4 Tbsp. plain flour", "1 3/4 c. boiling water", "4 egg yolks, beaten", "1/2 tsp. salt", "grated rind of 2 lemons", "1/2 c. lemon juice"]
["Mix sugar, flour, cornstarch and salt together.", "Add boiling water while stirring constantly on high heat, until mixture thickens.", "Cook slowly on low heat until thick and add beaten egg yolks.", "Cook 2 minutes longer; add lemon juice and rind.", "Cool. Pour into a baked pie shell; top with meringue."]
["sugar", "cornstarch", "flour", "boiling water", "egg yolks", "salt", "lemons", "lemon juice"]