Try this homemade Royal Seafood Casserole(May Be Prepared Ahead Of Time.) recipe the whole family will love. Made with condensed cream, mayo, onion and …
This Royal Seafood Casserole(May Be Prepared Ahead Of Time.) relies on simple, everyday ingredients such as mayo (hellmann's), small onion, grated, milk and salt and white pepper. It comes together quickly and makes 4 servings, at about 722 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026