There is something undeniably comforting about a warm, hearty bowl of homemade pepper steak at the end of a long day. This vibrant dish brims with tender strips of flank steak, colorful bell peppers, and a deeply savory sauce. The best part? Your slow cooker does all the heavy lifting, making this the perfect, effortless weeknight dinner.
Why This Recipe Works
| Feature | Details |
|---|---|
| Effortless Prep | Just 15 minutes of hands-on time before the slow cooker takes over. |
| Tender Results | The low and slow cooking method ensures the flank steak practically melts in your mouth. |
| Rich Flavor | A savory, balanced blend of soy sauce, Worcestershire, and fresh ginger creates a deeply comforting sauce. |
Ingredients
- 1 lb (450g) Flank steak, sliced into thin strips
- 1 Green bell pepper, sliced
- 1 Red bell pepper, sliced
- 1 Medium onion, sliced
- 3 cloves Garlic, minced
- 1 cup Beef broth
- ¼ cup Soy sauce (use low-sodium if preferred)
- 2 tbsp Worcestershire sauce
- 1 tsp Fresh ginger, minced
- 1 tsp Black pepper
- Salt, to taste
- 2 tbsp Cornstarch (for the thickening slurry)
- 2 tbsp Cold water (for the thickening slurry)
- For serving: Cooked rice or noodles
Step-by-Step Instructions
Prep time: 15 minutes | Cook time: 6.5–8.5 hours | Yield: 4 servings
- Layer the Base: Add the thinly sliced flank steak, green bell pepper, red bell pepper, onion, and minced garlic directly into your slow cooker crock.
- Mix the Savory Sauce: In a separate medium bowl, whisk together the beef broth, soy sauce, Worcestershire sauce, minced ginger, black pepper, and salt.
- Combine: Pour the rich sauce mixture over the steak and vegetables in the crockpot, ensuring everything is well coated.
- Slow Cook: Cover with the lid and set the crockpot to cook on LOW for 6 to 8 hours (or on HIGH for 3 to 4 hours).
- Prepare the Slurry: Once the initial cooking time is complete, whisk the cornstarch and cold water together in a small bowl until smooth to create a slurry. Stir this mixture directly into the crockpot.
- Thicken the Sauce: Switch the slow cooker to HIGH and let it cook for an additional 30 minutes. This allows the sauce to thicken into a beautiful, glossy glaze that clings perfectly to the meat.
- Serve: Ladle the warm pepper steak and savory sauce generously over fluffy cooked rice or your favorite noodles.
💡 Expert Kitchen Tips
- Slicing the Steak: For the most tender bite, be sure to slice your flank steak against the grain. Partially freezing the steak for about 30 minutes beforehand makes achieving those paper-thin slices much easier!
- Vegetable Crunch: If you prefer your bell peppers to retain a bit of crispness rather than being completely soft, wait to add them to the slow cooker during the final hour of cooking.
- Extra Add-Ins: Elevate the dish by stirring in sliced mushrooms, water chestnuts, or sugar snap peas for added texture.
- Gluten-Free Option: Simply substitute the traditional soy sauce with tamari or a certified gluten-free alternative.
- Storage: Store any leftover pepper steak in an airtight container in the refrigerator for up to 3 days. It reheats beautifully for lunch the next day!
