Try this homemade Meatball Sub Casserole recipe the whole family will love. Made with frozen beef meatballs, italian bread, pasta sauce and green bell p…
This Meatball Sub Casserole relies on simple, everyday ingredients such as loaf day old italian bread, muenster cheese, cubed and shredded mozzarella cheese. It comes together quickly and makes 4 servings, at about 807 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