Old Fashioned Egg Custard Pie
["4 egg yolks, beaten", "3/4 c. sugar", "2 c. milk, scalded", "1/4 tsp. salt", "1 tsp. vanilla", "1 unbaked pastry shell", "4 egg whites, beaten", "1/2 c. sugar"]
["Beat egg yolks well; combine with 3/4 cup sugar and beat until lemon colored.", "Pour hot, but not boiling, milk slowly over this mixture, stirring constantly.", "Add salt and vanilla flavoring. Dry the unbaked pastry shell slightly before pouring in egg mixture.", "Bake 15 minutes at 400\u00b0 and bake until custard is firm."]
["egg yolks", "sugar", "milk", "salt", "vanilla", "pastry shell", "egg whites", "sugar"]