Slow Cooker Pepper Steak Recipe.


  • 2 pounds (about 900g) beef sirloin or flank steak, thinly sliced
  • 1/2 cup soy sauce
  • 1 cup beef broth
  • 1 tablespoon Worcestershire sauce
  • 2 tablespoons oyster sauce
  • 1 tablespoon cornstarch
  • 1 tablespoon brown sugar
  • 1/2 teaspoon ground black pepper
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 2 bell peppers, thinly sliced (assorted colors)
  • 1 onion, thinly sliced
  • 2 tablespoons vegetable oil
  • 2 tablespoons tomato paste (optional)
  • Cooked rice or noodles for serving
  • Sesame seeds and chopped green onions for garnish (optional)


  1. Prepare Beef:
    • In a bowl, combine thinly sliced beef with soy sauce, Worcestershire sauce, oyster sauce, cornstarch, brown sugar, black pepper, garlic powder, and onion powder. Toss the beef until evenly coated with the marinade. Let it marinate for at least 15-20 minutes.
  2. Sear Beef:
    • In a skillet over medium-high heat, heat vegetable oil. Sear the marinated beef slices in batches until browned on both sides. Transfer the seared beef to the slow cooker.
  3. Prepare Sauce:
    • In a bowl, mix beef broth and tomato paste (if using). Pour the mixture over the seared beef in the slow cooker.
  4. Add Vegetables:
    • Add thinly sliced bell peppers and onions to the slow cooker. Stir to combine with the beef and sauce.
  5. Cook in Slow Cooker:
    • Cover the slow cooker and cook on low for 4-6 hours or until the beef is tender and the flavors meld.
  6. Adjust Seasoning:
    • Taste the pepper steak and adjust the seasoning if needed. Add more soy sauce, salt, or pepper according to your preference.
  7. Serve:
    • Serve the slow cooker pepper steak over cooked rice or noodles. Garnish with sesame seeds and chopped green onions if desired.

Time and Intensity:

  • Preparation Time: 20 minutes
  • Cooking Time: 4-6 hours (slow cooker)
  • Total Time: Approximately 4.5-6.5 hours
  • Intensity: Easy

Note: This Slow Cooker Pepper Steak is a convenient and flavorful dish that allows the meat to become tender while absorbing the rich sauce. Customize the dish by adding other vegetables like mushrooms or snow peas. Adjust the thickness of the sauce with additional beef broth if necessary. Enjoy this comforting meal with minimal effort!

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