01 -
Preheat oven to 175°C and grease a 23x33 cm baking dish.
02 -
Cook ground beef in a skillet over medium-high heat until browned; drain excess fat.
03 -
Mix browned beef, uncooked white rice, French onion soup mix, beef broth, and cream of mushroom soup in a large bowl until well incorporated.
04 -
Transfer mixture evenly into the prepared baking dish.
05 -
Sprinkle shredded mozzarella cheese over the surface and dot with butter.
06 -
Cover dish with foil and bake for 50 to 55 minutes.
07 -
Remove foil and continue baking for 10 minutes until cheese is melted and golden.
08 -
Sprinkle with chopped fresh parsley if desired and serve warm.