Slice the beef

• Thinly slice the chuck roast and trim any excess fat.
• Place the beef in the bottom of the slow cooker.

Make the sauce

• In a separate bowl, combine the beef broth, soy sauce, sesame oil, garlic and dark brown sugar.
• Whisk everything together.
• Add a little crushed red pepper, if desired.

Cook the beef

• Pour the sauce over the beef and stir to submerge everything.
• Cover and cook on low.

Thicken the sauce

• Remove a little of the broth and stir in the cornstarch.
• Pour it back into the slow cooker and mix everything together.

Add the broccoli

• Add the broccoli florets to the slow cooker.
• Cover and cook until tender.

Serve

• Stir and serve hot.