Butterscotch Pie
["1 c. brown sugar, firmly packed", "5 Tbsp. flour", "2 1/4 c. milk, scalded", "2 egg yolks", "3 Tbsp. butter", "1/2 tsp. vanilla", "1 pie shell, freshly baked"]
["Blend sugar and flour thoroughly.", "Add scalded milk gradually, stirring constantly to obtain a smooth paste.", "Add well beaten egg yolks and cook in a double boiler for 10 minutes, stirring occasionally.", "Add butter and vanilla.", "Mix well and pour into the pie shell.", "Add meringue and brown."]
["brown sugar", "flour", "milk", "egg yolks", "butter", "vanilla", "pie shell"]