Ditch Chinese takeout and make this delicious recipe for slow cooker beef and broccoli. Tender beef is slow-cooked with broccoli in a homemade sesame soy sauce for a delicious restaurant-style meal. Serve Crock Pot Beef and Broccoli over a bed of rice or noodles for a complete meal everyone will enjoy!
Add soy sauce, beef broth, brown sugar, rice vinegar, sesame oil, ground ginger, black pepper, red pepper flakes, and garlic in a medium bowl. Whisk until well combined.
Add sliced beef to the Crockpot and cover with sauce. Mix until meat is completely coated.
Cover and cook on low for 5-6 hours on high for 2½-3½ hours.
Forty-five minutes before cooking time is up. Make a slurry with 3 tbsp of cornstarch and ⅓ cup of water. Mix until there are no lumps and add to the Crockpot. Mix until well combined. Add broccoli and finish cooking.