Grandma Verlie'S Egg Custard
["3 eggs, separate 2 of them", "butter, size of walnut", "1 1/2 c. milk", "1/4 tsp. salt", "3 heaping Tbsp. flour", "1/2 c. sugar", "1/2 tsp. vanilla extract"]
["Mix all ingredients together except egg whites.", "Beat the two egg whites until stiff.", "Fold into mixture.", "Pour into unbaked crust.", "Bake at 335\u00b0.", "If using frozen crust, place on cookie sheet to brown bottom of pie better."]
["eggs", "butter", "milk", "salt", "flour", "sugar", "vanilla extract"]