Chess Pie
["1 1/2 c. sugar", "1 stick butter", "3 egg yolks (save whites)", "1 Tbsp. flour", "2 Tbsp. meal", "2 Tbsp. vinegar", "1 tsp. vanilla"]
["Cook all ingredients until thick.", "Pour in a cooked pie crust. Top with meringue and cook at 300\u00b0 until brown."]
["sugar", "butter", "egg yolks", "flour", "meal", "vinegar", "vanilla"]