The chef and the general manager at one of Long Island's largest kosher catering companies filed court papers Tuesday against the company's owner, saying the owner has been serving non-kosher food to his unwitting clients for more than a year. Chef Michael Savitsky and general manager Tom Cataldo say in court papers that, at the same time Morrell Caterers owner Scott Morrell has been charging for kosher food but actually giving his clients treife.