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Used different ingredients:
I gave this recipe five stars because it is an excellent recipe. I made some changes to my taste, but that's because I like food somewhat spicy. The first change that I made was to cook the steak until tender before adding vegetables. I also added one sliced onion to the simmering the meat. I also doubled the marinade and the sauce based on previous comments and also because I think I had more meat than the recipe called for. I added chilli oil, chilli garlic paste and substituted one teaspoon of sesame oil for oyster sauce. My brocolli beef stood up to the best Chinese restaurants. My husband and I both enjoyed this recipe. It's easy to prepare and a must try. I don't think you can really go wrong because you can add anything you like and it would probably still be good. It has an excellent foundation to work with.