Hrm... I wish mine would take to frozen foods... so far it only eats gut-loaded brine or red tubifex... both bring out a feeding frenzy, but it just looks at frozen/processed foods like they're an alien object. 
If yours is eating all you mention then I wouldn't worry about adding anything else to its diet... except something live...
If yours is eating all you mention then I wouldn't worry about adding anything else to its diet... except something live...