Chess Pie
["3 eggs", "1 1/4 c. sugar", "3/4 stick butter, melted", "1 tsp. vanilla", "1 Tbsp. vinegar", "1 unbaked pie shell"]
["Beat eggs. Add sugar, butter and vanilla. Mix well. Add vinegar last. Pour into pie shell. Bake for 45 minutes at 350\u00b0."]
["eggs", "sugar", "butter", "vanilla", "vinegar", "shell"]