01 -
Grease the inside of a slow cooker. Add the steak, beef broth, soy sauce, brown sugar, sesame oil, garlic, and chili flakes. Cover and cook on high for 2-3 hours or on low for 4-5 hours.
02 -
Minutes before serving, uncover the slow cooker. In a small bowl, whisk together the cornstarch and cold water until dissolved. Add this mixture to the slow cooker and stir. Cover and allow to cook for another 20-25 minutes until the sauce thickens.
03 -
Just before serving, place the broccoli in a large container, fill with ½ inch of water, and place the lid on in an offset manner to vent. Microwave on high for 3 minutes. Drain, then stir the broccoli into the slow cooker.
04 -
Serve hot and enjoy!.