Preheat the oven to 350 degrees F (175 degrees C).
2
Combine ground beef, bread crumbs, egg, Parmesan cheese, parsley, garlic, and Italian seasoning in a large bowl; mix with your hands until well combined. Shape mixture into 12 meatballs; place in a baking dish.
3
Bake in the preheated oven until meatballs cooked through, 15 to 20 minutes. An instant-read thermometer inserted into centers should read at least 160 degrees F (71 degrees C).
