Chess Pie
["1 stick butter", "3 eggs", "1 1/4 c. sugar", "1 Tbsp. vinegar", "1 Tbsp. self-rising flour", "1 tsp. vanilla"]
["Melt butter, then add other ingredients.", "Mix well.", "Bake in an unbaked pie shell at 350\u00b0 for 50 minutes."]
["butter", "eggs", "sugar", "vinegar", "flour", "vanilla"]