I only added one thing to these, some grated parmesan cheese and they were absolutely delicious! I wanted a hamburger steak recipe that had lots of flavor and was something different than the bland hamburger steaks we were used to and these were perfect! Definitely going to make these again!
I halved the recipe, used red wine instead of cooking sherry, and topped with mushrooms. Mine fell apart a little bit, but nobody minded. I think next time I will use more garlic and less salt. Thanks for posting!