The writer thanks the recipient for the opportunity to complete an on-the-job training program with their company as part of their education. Recognize and appreciate the culinary skills of your hotel cooks with this professionally designed experience certificate.Create a standout Cook Cover Letter with our online platform. Browse professional templates for all levels and specialties. Writing a proper appreciation letter to employees can be time consuming. I would like to convey my gratefulness to you and your colleagues for the excellent OJT which I have undergone in your company. Dear Hiring Manager,. I am writing to express my interest in the Kitchen Assistant position at your establishment. For a complete list of ANSI accredited Manager's Certification courses, click here. ➢ Can be viewed as a writing sample.