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If you’ve ever wanted a dish that bursts with vibrant colors, bold savory flavors, and tender, juicy beef all in one pan, then you are in for a real treat with this Easy Pepper Steak Stir-Fry Recipe. Imagine succulent strips of flank steak perfectly seared to lock in flavor, paired with crisp green and red bell peppers alongside sweet onions, all bathed in a luscious sauce that brings everything together. This recipe not only comes together in about an hour but also strikes just the right balance between quick cooking techniques and deep, rich taste, making it a favorite for busy weeknights or anytime you crave a hearty, satisfying meal.

Ingredients You’ll Need
What’s great about this Easy Pepper Steak Stir-Fry Recipe is how straightforward and approachable the ingredients are. Each one plays a crucial role in creating that signature flavor and texture—from the tender beef to the fresh, colorful bell peppers, and the aromatic sauces that make the dish sing.
- 12 ounces flank steak: Choose flank steak for tenderness and great flavor; slicing against the grain ensures the beef stays juicy.
- 1 ½ tablespoons water: Helps the marinade cling beautifully to the beef for optimal moisture.
- 2 teaspoons cornstarch: Adds a slight silky coating to the beef, making it tender and helping the sauce thicken later.
- 2 teaspoons neutral oil: A subtle oil like canola or vegetable oil ensures a clean sear without overpowering flavors.
- 2 teaspoons oyster sauce: Delivers an umami punch to the marinade and sauce that makes every bite richer.
- 2 teaspoons Shaoxing wine: Adds complexity with a mild, slightly sweet depth that’s classic in stir-fries.
- ¼ teaspoon baking soda: A tenderizing secret that keeps the beef soft and delicious.
- ½ cup low-sodium chicken stock: Creates the saucy base that brings moisture and mild savory notes.
- 1 tablespoon cornstarch: Ensures the sauce thickens perfectly for a glossy finish.
- 1 ½ tablespoons oyster sauce: Enhances the saucy richness and pairs beautifully with the soy elements.
- 1 tablespoon Shaoxing wine: Continues to deepen the flavor in the sauce itself.
- 1 tablespoon light soy sauce: Adds a gentle saltiness and color to the sauce.
- 1 teaspoon dark soy sauce: Gives the sauce an appealing darker hue and mild sweetness.
- ½ teaspoon sugar: Balances out the savory elements with just a touch of sweetness.
- ½ teaspoon sesame oil: Offers a fragrant nutty aroma that finishes the dish beautifully.
- â…› teaspoon white pepper: Brings subtle heat without overwhelming the dish.
- 1 green bell pepper: Cut into 1-inch pieces for a crisp contrast and bright, fresh flavor.
- ½ red bell pepper: Adds sweetness and vivid color to brighten every bite.
- 1 medium onion: Chopped into 1-inch pieces, it adds natural sweetness and texture.
- 2 tablespoons neutral oil: Used for stir-frying the vegetables and beef to a perfect finish.
- ½ teaspoon minced ginger (optional): Adds a warm spice note that elevates the entire dish.
- 2 cloves garlic, chopped: Essential for that mouthwatering aroma and classic stir-fry flavor.
How to Make Easy Pepper Steak Stir-Fry Recipe
Step 1: Prepare the Beef
Begin by slicing the flank steak into thin strips, cutting against the grain to keep it tender. Toss these strips with water, cornstarch, oil, oyster sauce, Shaoxing wine, and baking soda in a bowl, then let it marinate for at least 30 minutes or overnight if you can plan ahead. This simple marinade is the secret to soft, flavorful beef that carries the sauce so well.
Step 2: Make the Sauce
While the beef marinates, whisk together the chicken stock, cornstarch, oyster sauce, Shaoxing wine, light soy sauce, dark soy sauce, sugar, sesame oil, and white pepper in a separate bowl. This mixture will become the glossy, savory sauce that coats every ingredient beautifully at the end.
Step 3: Prep Vegetables
Cut the green and red bell peppers, along with the onion, into bite-sized 1-inch pieces. These vibrant vegetables add crunch, color, and a perfect balance to the richness of the beef and sauce.
Step 4: Sear the Beef
Heat a wok or large skillet over high heat until it’s smoking hot—this high heat is crucial for that perfect sear. Add a tablespoon of oil and quickly cook the beef in batches, about 30 seconds per side, aiming for about 80% cooked. This fast searing locks in juices and caramelizes the edges. Set the beef aside while you work on the veggies.
Step 5: Stir-fry Vegetables
Lower the heat slightly to medium-high and add the remaining oil to the wok. If you’re using ginger, toss it in now along with the chopped garlic and stir-fry for just 10 seconds until fragrant. Then, add the bell peppers and onion, stir-frying for about a minute to keep them crisp yet tender.
Step 6: Combine and Finish
Return the beef and any juices back to the wok with the vegetables and stir-fry for 15 seconds. Crank the heat back up to high, give the sauce a quick stir to remix the cornstarch, and pour it in. Stir constantly as the sauce thickens and coats every piece perfectly, making the dish irresistibly glossy and delicious.
Step 7: Serve
Slide the finished pepper steak onto a serving plate and enjoy right away! It’s fantastic served over steamed rice, which soaks up all the luscious sauce.
How to Serve Easy Pepper Steak Stir-Fry Recipe

Garnishes
For a fresh pop of flavor and color, sprinkle chopped green onions or toasted sesame seeds over the top just before serving. If you like a bit of heat, a few flakes of crushed red pepper or a drizzle of chili oil can elevate the dish even further.
Side Dishes
This Easy Pepper Steak Stir-Fry Recipe pairs wonderfully with simple steamed jasmine or basmati rice to balance the bold flavors. You can also serve it alongside garlic fried rice or even a light Asian-inspired cucumber salad for a refreshing contrast.
Creative Ways to Present
Try serving this stir-fry over a bed of fluffy cauliflower rice for a low-carb twist, or pile it into warm lettuce cups for a fun finger-food feel. For a family-style dinner, place the stir-fry front and center with bowls of rice and let everyone help themselves.
Make Ahead and Storage
Storing Leftovers
Leftover Easy Pepper Steak Stir-Fry Recipe keeps well in an airtight container in the refrigerator for up to 3 days. Because the beef stays tender and the sauce thickens overnight, the flavors often deepen, making second-day meals just as exciting.
Freezing
To freeze, cool the stir-fry completely and place it in a freezer-safe container. It will keep for up to 2 months. Thaw in the fridge overnight before reheating for best results, ensuring the texture stays pleasing and the sauce remains cohesive.
Reheating
Reheat leftover stir-fry gently in a skillet over medium heat, adding a splash of water or broth if the sauce has thickened too much. Stir frequently to warm evenly without drying out the beef, preserving that delightful tender bite.
FAQs
Can I use a different cut of beef for this recipe?
Absolutely! While flank steak is ideal for its tenderness and flavor, London broil or chuck roast sliced thinly also work beautifully. Just be sure to marinate well to keep the meat tender.
Is Shaoxing wine necessary?
Shaoixing wine adds an authentic depth and slight sweetness to the dish. If you don’t have it, a dry sherry or even a splash of mirin can be suitable substitutes.
Can I make this recipe gluten-free?
Yes! Substitute the soy sauce and oyster sauce with gluten-free versions, and confirm your other sauces and ingredients are gluten-free to enjoy this dish without worry.
What if I’m not a fan of bell peppers?
You can swap the bell peppers for snap peas, broccoli florets, or even sliced carrots to keep the stir-fry colorful and crunchy while changing up the flavor profile.
How spicy is this recipe?
This Easy Pepper Steak Stir-Fry Recipe is mild with just a hint of warmth from white pepper. You can easily adjust the spice level by adding chili flakes or fresh chilies if you prefer more heat.
Final Thoughts
This Easy Pepper Steak Stir-Fry Recipe is one of those dishes you’ll find yourself craving again and again. It’s approachable, packs a punch of flavor, and feels like a little celebration in every bite. Whether you’re cooking for family, friends, or just yourself, I promise this recipe will earn a permanent spot in your weekly rotation. So grab your skillet, gather those ingredients, and get ready for a deliciously satisfying meal that’s nothing short of a flavor fiesta!
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Print
Easy Pepper Steak Stir-Fry Recipe
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 4 servings
- Category: Main Course
- Method: Stovetop
- Cuisine: Chinese-American
- Diet: Halal
Description
This Pepper Steak recipe features tender strips of marinated flank steak stir-fried with crisp bell peppers and onions in a savory, fragrant sauce made with oyster sauce, soy sauce, and Shaoxing wine. The beef is seared to lock in juices before quickly cooking with vegetables and a thickened, flavorful sauce. Ready in about an hour, this classic Chinese-American dish is perfect served over steamed rice for a satisfying weeknight meal.
Ingredients
Beef and Marinade
- 12 ounces flank steak (or London broil or chuck roast), thinly sliced
- 1 ½ tablespoons water
- 2 teaspoons cornstarch
- 2 teaspoons neutral oil (e.g., canola or vegetable oil)
- 2 teaspoons oyster sauce
- 2 teaspoons Shaoxing wine
- ¼ teaspoon baking soda
Sauce
- ½ cup low-sodium chicken stock
- 1 tablespoon cornstarch
- 1 ½ tablespoons oyster sauce
- 1 tablespoon Shaoxing wine
- 1 tablespoon light soy sauce
- 1 teaspoon dark soy sauce
- ½ teaspoon sugar
- ½ teaspoon sesame oil
- â…› teaspoon white pepper (or to taste)
Vegetables and Stir-fry
- 1 green bell pepper, cut into 1-inch pieces
- ½ red bell pepper, cut into 1-inch pieces
- 1 medium onion, cut into 1-inch pieces
- 2 tablespoons neutral oil (divided)
- ½ teaspoon minced ginger (optional)
- 2 cloves garlic, chopped
Instructions
- Prepare the Beef: Slice the beef into thin strips. In a bowl, combine the beef with water, cornstarch, oil, oyster sauce, Shaoxing wine, and baking soda. Mix well to coat the beef evenly and marinate for at least 30 minutes or overnight in the refrigerator to tenderize and infuse flavor.
- Make the Sauce: In a separate bowl, whisk together the low-sodium chicken stock, cornstarch, oyster sauce, Shaoxing wine, light soy sauce, dark soy sauce, sugar, sesame oil, and white pepper until smooth and set aside.
- Prep Vegetables: Cut the green and red bell peppers and onion into 1-inch pieces, ensuring even sizing for uniform cooking.
- Sear the Beef: Heat a wok or large skillet over high heat until it starts to smoke. Add 1 tablespoon of neutral oil and swirl to coat. Quickly sear the beef strips in batches for about 30 seconds on each side, cooking until approximately 80% done. Avoid overcrowding to ensure proper searing. Remove the beef from the wok and set aside.
- Stir-fry Vegetables: Reduce heat to medium-high. Add the remaining oil to the wok. Add minced ginger (if using) and chopped garlic, stir-frying for about 10 seconds until fragrant. Add the bell peppers and onions and continue stir-frying for about 1 minute until slightly softened but still crisp.
- Combine and Finish: Return the partially cooked beef and any accumulated juices to the wok with the vegetables. Stir-fry together for 15 seconds to combine flavors. Increase heat to high again. Stir the prepared sauce to recombine the cornstarch and add it to the wok. Stir continuously until the sauce thickens and evenly coats the beef and vegetables, about 1 to 2 minutes.
- Serve: Transfer the pepper steak to a serving plate immediately and serve hot with steamed rice for a complete meal.
Notes
- For best results, slice the beef thinly against the grain to ensure tenderness.
- Marinating the beef overnight enhances the flavor and texture significantly.
- Shaoxing wine can be substituted with dry sherry if unavailable.
- Adjust the amount of white pepper according to your spice preference.
- Use neutral oil with a high smoke point for searing and stir-frying.
- This dish pairs well with steamed jasmine or basmati rice.

