If you are looking for a vibrant, quick, and utterly delicious meal to brighten up your dinner routine, this Flank Steak and Peppers Stir Fry Recipe is an absolute winner. Combining tender, juicy strips of flank steak with colorful bell peppers and a savory oyster sauce glaze, this dish bursts with flavor and texture in every bite. Perfect for busy weeknights or when you want to impress friends with minimal fuss, this stir fry delivers that crave-worthy balance of meaty richness and fresh, crisp vegetables. Trust me, once you try this Flank Steak and Peppers Stir Fry Recipe, it will become a staple in your kitchen.
Ingredients You'll Need
These ingredients are wonderfully simple but essential to making this stir fry sing. Each one plays a crucial role—from the savory depth of the oyster sauce to the fresh crunch of bell peppers, everything comes together for a perfect harmony of flavors and textures.
- Flank steak (1 pound, sliced into strips): The star protein that cooks quickly and stays tender in a stir fry.
- Onion (1 medium, sliced): Adds natural sweetness and a soft bite to balance the steak’s richness.
- Bell peppers (2 large, assorted colors, thinly sliced): Bring color, crunch, and a hint of natural sweetness.
- Oyster sauce (¼ cup): Infuses the dish with a deep, savory umami punch.
- Cornstarch (1 tablespoon): Helps thicken the sauce into a luscious coating.
- Salt (¼ teaspoon): Enhances all the flavors perfectly.
- Pepper (¼ teaspoon): Adds a subtle heat to balance the dish.
- Olive oil or vegetable oil (4 tablespoons): For that golden sear on the steak and tender veggies.
- Water (⅓ cup): Blends into the sauce for perfect consistency.
How to Make Flank Steak and Peppers Stir Fry Recipe
Step 1: Prep Your Ingredients
Start by slicing your flank steak into thin strips—this ensures quick cooking and maximum tenderness. Next, slice your onion and bell peppers. Having everything ready before you heat the pan makes the cooking process smooth and fast, which is key for a vibrant stir fry.
Step 2: Make the Sauce
In a small cup, mix the oyster sauce, water, cornstarch, salt, and pepper until fully combined. This sauce will thicken beautifully when added to the hot pan, coating the steak and veggies with a shiny, flavorful glaze that brings everything together.
Step 3: Sear the Steak
Heat 2 tablespoons of oil in a large skillet over medium-high heat until shimmering. Add the sliced flank steak and sauté until it browns nicely and, if you’re using chicken as an alternative, ensure it is cooked through and no longer pink, about 4 to 5 minutes. Once cooked, remove the meat from the pan and set it aside to keep it tender and juicy.
Step 4: Cook the Vegetables
In the same skillet, heat the remaining 2 tablespoons of oil until shimmering. Add the sliced onions first and stir for a few minutes until they soften to sweet tenderness. Then toss in the bell peppers and stir-fry for another few minutes until they are just tender but still crisp. This layering of vegetables brings out their natural sweetness while preserving their vibrant colors.
Step 5: Combine and Glaze
Return the cooked steak strips to the pan with the vegetables, then pour in the oyster sauce mixture. Stir quickly to coat everything evenly while the sauce thickens, creating an irresistible glaze that clings to each bite. This final step unites all the flavors and textures for that signature finish.
How to Serve Flank Steak and Peppers Stir Fry Recipe
Garnishes
For a fresh, bright touch, sprinkle some chopped green onions or a handful of toasted sesame seeds over the top just before serving. These little extras add extra texture and a pop of color that makes your dish look as good as it tastes.
Side Dishes
This stir fry shines served over steamed rice, whether jasmine, basmati, or brown rice for a wholesome option. Alternatively, toss it with your favorite noodles for a comforting, saucy delight. Both options soak up the savory sauce perfectly.
Creative Ways to Present
If you’re feeling adventurous, serve this Flank Steak and Peppers Stir Fry Recipe in lettuce cups for a fun, low-carb twist. Another delightful idea is to plate it alongside a fresh Asian-style slaw for contrasting crunch and zing. Whichever way you present it, this dish is sure to impress!
Make Ahead and Storage
Storing Leftovers
Store any leftover stir fry in an airtight container and refrigerate for up to 3 days. Keeping the sauce separate can help maintain the freshness of the vegetables if you plan to reheat later.
Freezing
You can freeze this dish, but for best texture, freeze the meat and vegetables separately from the sauce. When ready to eat, thaw in the fridge overnight and then reheat gently to avoid overcooking the peppers.
Reheating
To reheat, warm the stir fry in a skillet over medium heat, stirring occasionally until heated through. This keeps the meat tender and the veggies crisp without turning the sauce gluey or the peppers mushy.
FAQs
Can I substitute chicken for flank steak in this recipe?
Absolutely! Boneless, skinless chicken breast sliced thinly works just as well and cooks quickly. Just make sure the chicken is fully cooked before mixing it back with the vegetables and sauce.
What can I use if I don’t have oyster sauce?
If you don’t have oyster sauce, you can substitute with hoisin sauce or a mixture of soy sauce and a touch of sugar to mimic the sweet-savory flavor, although the oyster sauce adds a unique depth that’s hard to replicate fully.
How do I keep the peppers crisp and not soggy?
To keep peppers crisp, avoid overcooking them by stir-frying just until tender but still firm. Cooking them on high heat for a short time is key to preserving their crunch and vibrant color.
Can I add other vegetables to this stir fry?
Definitely! Snow peas, broccoli florets, or sliced mushrooms all blend beautifully with this recipe and add extra flavor and texture. Just adjust the cooking times to ensure everything stays nicely cooked.
Is this recipe spicy?
This Flank Steak and Peppers Stir Fry Recipe is mild by default, but you can easily add some heat with crushed red pepper flakes or a drizzle of chili garlic sauce if you like a kick to your meals.
Final Thoughts
This Flank Steak and Peppers Stir Fry Recipe is one of those unforgettable dishes that combines simplicity with incredible flavor, perfect for both beginners and seasoned cooks. Its colorful veggies, tender meat, and savory sauce come together so effortlessly, making it a comforting and satisfying meal you’ll want to make again and again. I can’t wait for you to try it and enjoy every vibrant, delicious bite!
Print
Flank Steak and Peppers Stir Fry Recipe
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Total Time: 25 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Stovetop
- Cuisine: Asian
Description
A quick and flavorful Flank Steak and Peppers Stir Fry featuring tender strips of beef sautéed with colorful bell peppers and onions in a savory oyster sauce. Perfect for a weeknight dinner, this stir fry is easy to prepare, packed with vibrant vegetables, and served best over steamed rice or noodles.
Ingredients
Protein
- 1 pound flank steak (cut into strips, or any cut beef steak or boneless, skinless chicken breast, sliced)
Vegetables
- 1 medium onion (sliced)
- 2 large bell peppers (green, yellow, orange or red, thinly sliced)
Sauce and Seasoning
- ¼ cup oyster sauce
- 1 tablespoon cornstarch
- ¼ teaspoon salt
- ¼ teaspoon pepper
Oil
- 4 tablespoons olive oil or another vegetable oil
Instructions
- Prepare Ingredients: Gather and measure all of your ingredients to ensure a smooth cooking process.
- Mix Sauce: In a small cup or bowl, combine ¼ cup oyster sauce, ⅓ cup water, 1 tablespoon cornstarch, ¼ teaspoon salt, and ¼ teaspoon pepper. Stir until well incorporated and set aside.
- Cook Meat: Heat 2 tablespoons of oil in a large skillet over medium-high heat until shimmering or when a flick of water causes it to dance. Add the sliced beef or chicken and sauté until browned and cooked through (about 4-5 minutes). Remove the meat from the skillet and set aside.
- Sauté Onions: In the same skillet, add the remaining 2 tablespoons of oil and heat over medium-high until shimmering. Add the sliced onions and stir fry for a few minutes until they start to soften and become tender.
- Add Bell Peppers: Add the thinly sliced bell peppers to the skillet with the onions. Continue to stir fry for a few more minutes until the peppers are tender but still slightly crisp.
- Combine and Thicken: Return the cooked beef or chicken to the skillet. Pour in the prepared oyster sauce mixture and stir well to coat all the ingredients. Cook for a few minutes until the sauce thickens and evenly coats the meat and vegetables.
- Serve: Serve the stir fry hot with steamed rice or noodles of your choice. Enjoy your flavorful and colorful meal!
Notes
- You can substitute flank steak with any other cut of beef steak or use boneless, skinless chicken breast for variation.
- Adjust the amount of oyster sauce or seasoning to taste if you prefer a stronger or milder sauce.
- Ensure the skillet is hot before adding meat and vegetables for a better sear and texture.
- This stir fry pairs excellently with steamed jasmine rice, brown rice, or your favorite noodles.
- For gluten-free option, use gluten-free oyster sauce and verify cornstarch brand.
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