How to write a resignation letter that's effective immediately? Here are seven tips to consider when writing a chef resignation letter: 1.Start with a friendly but official and professional introduction. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. What should I include in a personal reason resignation letter? Learn how to write a professional resignation letter with our comprehensive guide. I am writing to formally resign from my position as a Chef at Lavender Hotel. My last working day will be October31 2025. A salutation using the person's formal title, such as Dear Mr. Smith. Please accept this letter as my formal resignation.