"Today's special" is a common phrase used in restaurants and cafes to describe a limited-time dish or menu item. However, if you are looking for some synonyms to add variety to your language, you can use phrases like "Chef's recommendation", "Featured dish", "Limited-time offer", "Daily special", "Highlight of the day", "House specialty", "Menu surprise", "Delight of the kitchen" or "Seasonal favorite". Using a variety of phrases to describe your specials can make your menu more interesting and alluring to customers, encouraging them to try something new and exciting.