Kentucky Pudding Pie
["butter the size of a large egg", "1 c. cream", "1 1/2 c. sugar and 3 Tbsp. flour, mixed", "3 egg yolks, slightly beaten", "1 tsp. vanilla", "3 egg whites (for meringue)", "1 unbaked pie shell"]
["Beat egg yolks; add cream, melted butter, vanilla, sugar and flour mixture. Bake at moderate temperature in pie shell until firm. Add meringue, if desired."]
["butter", "cream", "sugar", "egg yolks", "vanilla", "egg whites", "shell"]