Try this homemade Johnny Mazetti Casserole recipe the whole family will love. Made with Ground Beef, Bell Pepper, Onion and Tomato Sauce. Easy step-by-s…
This Johnny Mazetti Casserole relies on simple, everyday ingredients such as ground beef, diced bell pepper (green), onion finely minced and tomato sauce (10 ounce can). It comes together quickly and makes 4 servings, at about 583 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