Try this homemade Nan's Mexican Casserole recipe the whole family will love. Made with lean ground beef, onion, cream of mushroom soup and water. Easy s…
This Nan's Mexican Casserole relies on simple, everyday ingredients such as lean ground beef, medium onion, chopped, old el paso taco seasoning and water. It comes together quickly and makes 4 servings, at about 1339 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