Butter Frosting(Diabetic Recipe)  
["2 c. skim milk", "5 Tbsp. flour", "1/3 c. butter", "1/3 c. granulated sugar replacement", "1 Tbsp. vanilla extract", "1 egg white, beaten stiff"]
["Combine milk and flour in saucepan.", "Cook and stir over low heat until a thick sauce results.", "Cool completely.", "Combine butter, sugar replacement and vanilla in a mixing bowl, beating until fluffy.", "Add sauce mixture; beat until consistency of whipped cream.", "Fold in stiffly beaten egg white."]
["milk", "flour", "butter", "sugar replacement", "vanilla", "egg"]