Chess Pie
["2 eggs", "4 Tbsp. butter", "1 c. sugar", "1 tsp. vanilla"]
["Soften butter.", "Beat eggs.", "Add sugar and softened butter. Add vanilla; mix well.", "Pour into unbaked pie shell.", "Bake at 400\u00b0 for 20 to 30 minutes, until firm."]
["eggs", "butter", "sugar", "vanilla"]