Warm up with this hearty Beef And Onion Soup Casserole recipe. Made with cubed beef, onion soup mix, cream of mushroom and water. Easy step-by-step inst…
This Beef And Onion Soup Casserole relies on simple, everyday ingredients such as cubed beef, onion soup mix, cream of mushroom and water. It comes together quickly and makes 4 servings, at about 326 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026