Buttermilk Custard
["1 stick creamy butter", "3 eggs", "1/2 c. sugar", "1/2 c. buttermilk", "1 Tbsp. flour", "vanilla (if desired)"]
["Melt butter.", "Add sugar, milk and flour.", "Beat in eggs.", "Put in unbaked pie shell.", "Bake at 350\u00b0."]
["butter", "eggs", "sugar", "buttermilk", "flour", "vanilla"]