Keep it short and sweet. A cover letter should rarely be longer than one page.We will provide you with a variety of cover letter examples for restaurant managers. Each example will focus on a different aspect of the role. Learn how you can write a restaurant manager cover letter that is professionally structured and contains all the information hiring managers are looking for. Dear Lennox Collins,. Please consider me for the restaurant supervisor opportunity. Learn how to write a restaurant manager cover letter. Get expert tips and downloadable cover letter examples for all levels of experience. Stepbystep guide to writing a restaurant manager cover letter.