Chocolate Pie
["2 sq. semi-sweet baking chocolate", "2 Tbsp. butter", "1/3 c. flour", "1/4 tsp. salt", "2 1/2 c. scalded milk", "3 egg yolks (save whites)", "1 tsp. vanilla", "1 pie shell, baked"]
["Put in boiler the chocolate, butter, flour, salt and scalded milk.", "Stir, while cooking, about 15 minutes.", "Add egg yolks and cook 2 minutes longer.", "Add vanilla and remove from heat.", "Pour into baked pie shell."]
["semi-sweet baking chocolate", "butter", "flour", "salt", "milk", "egg yolks", "vanilla", "pie shell"]