Chess Pie
["3/4 stick butter", "1 1/2 Tbsp. vinegar", "1 tsp. vanilla", "1 1/2 c. sugar", "3 eggs"]
["Put butter, sugar and vinegar in a bowl and melt thoroughly. Then add to 3 slightly beaten eggs.", "Stir well, but do not use electric mixer.", "Add vanilla and pour into an unbaked crust.", "Bake at 350\u00b0 for 10 minutes, then at 300\u00b0 until set.", "Do not overcook."]
["butter", "vinegar", "vanilla", "sugar", "eggs"]