
This Easy Pepper Steak is a game-changer for busy weeknight dinners! Tender strips of flank steak stir-fried with colorful bell peppers and onions, all coated in a savory-sweet sauce that comes together in just 30 minutes. The combination of juicy beef, crisp-tender vegetables, and that glossy, flavorful sauce creates a restaurant-quality dish that’s surprisingly simple to make at home. Skip the takeout and treat yourself to this delicious, budget-friendly meal that’s guaranteed to become a regular in your dinner rotation.
Why You’ll Love This Recipe
- Quick and Satisfying: From prep to plate in just 30 minutes, making it perfect for those hectic weeknights when you want something delicious without spending hours in the kitchen.
- Budget-Friendly: Transforms an affordable cut of beef into something spectacular with just a few simple ingredients you likely already have in your pantry.
- Incredibly Flavorful: The combination of soy sauce, rice vinegar, and brown sugar creates a perfectly balanced sauce that coats every bite with savory-sweet goodness.
- Versatile: Easy to customize with different vegetables or spice levels to suit your family’s preferences.
Ingredients You’ll Need
- Flank Steak: The star of the show, sliced thinly against the grain for maximum tenderness. This cut absorbs flavors beautifully and cooks quickly.
- Bell Peppers: Red and green peppers add vibrant color, sweet flavor, and a satisfying crunch. They’re also packed with vitamins.
- Onion: Adds a wonderful aromatic base and slight sweetness when cooked.
- Garlic: Brings essential aromatic flavor that elevates the entire dish. Fresh is best here!
- Soy Sauce: Provides that umami-rich base for the sauce. Using low-sodium gives you better control over the salt level.
- Rice Vinegar: Adds a subtle tanginess that balances the savory elements. It’s milder than other vinegars and perfect for Asian-inspired dishes.
- Brown Sugar: Just a touch adds caramelization and balances the saltiness of the soy sauce and acidity of the vinegar.
- Cornstarch: The magic ingredient that transforms the liquid into that glossy, restaurant-style sauce that clings to every bite.
- Vegetable Oil: For stir-frying at high heat without adding strong flavors.
- Salt and Pepper: Simple seasonings for the beef that make a big difference in the final flavor.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.
Variations
Want to switch things up? Here are some delicious options:
- Spicy Pepper Steak: Add sliced fresh chilis or a teaspoon of sriracha to the sauce for heat lovers.
- Vegetable Boost: Throw in some mushrooms, snow peas, or broccoli florets for extra nutrition and texture.
- Pineapple Twist: Add chunks of fresh pineapple in the last minute of cooking for a tropical sweet-and-savory version.
- Ginger Kick: Add a tablespoon of freshly grated ginger along with the garlic for a warming, aromatic dimension.
How to Make Easy Pepper Steak
Step 1: Prepare the Sauce
Combine soy sauce, rice vinegar, brown sugar, and cornstarch in a small bowl, whisking until the cornstarch is fully dissolved with no lumps. Set aside to let the flavors meld while you prepare the other ingredients.
Step 2: Prep and Season the Beef
Season the thinly sliced flank steak with salt and pepper, tossing to ensure even distribution. The thin slicing is crucial here—it helps the beef cook quickly and stay tender.
Step 3: Sear the Beef
Heat 1 tablespoon of vegetable oil in a large skillet over medium-high heat until it’s nearly smoking. Add the seasoned beef in a single layer and let it sear undisturbed for one minute to develop a nice caramelization. Then stir-fry for another minute until the beef is browned but still slightly pink inside. Transfer to a plate to prevent overcooking.
Step 4: Cook the Vegetables
In the same skillet, add the remaining tablespoon of oil. Toss in the sliced bell peppers and onions, stir-frying for 4-5 minutes until they’re softened but still have some crispness. The goal is vibrant, tender-crisp vegetables, not mushy ones.
Step 5: Combine Everything
Return the beef to the skillet and add the minced garlic. Stir-fry for about 30 seconds until the garlic becomes fragrant. Give your sauce mixture a quick stir (the cornstarch tends to settle) and pour it over everything in the pan.
Step 6: Finish the Dish
Stir continuously as the sauce comes to a simmer and thickens, which happens quickly—usually in 30 seconds to 1 minute. Once the sauce is glossy and coats everything nicely, remove from heat. Serve immediately over steamed rice.
Pro Tips for Making the Recipe
- Freeze the Beef: Pop your flank steak in the freezer for 15-20 minutes before slicing. This firms it up just enough to make cutting paper-thin slices much easier.
- Hot Pan Technique: Make sure your pan is properly heated before adding ingredients. A hot pan is essential for proper searing rather than steaming the meat.
- Cook in Batches: If doubling the recipe, don’t crowd the pan. Cook the meat in batches so each piece gets proper contact with the hot surface.
- Sauce Consistency: If your sauce gets too thick, add a splash of water or broth. Too thin? Mix a teaspoon of cornstarch with a tablespoon of cold water and stir it in.
- Prep Everything First: Have all ingredients chopped and the sauce mixed before turning on the heat. Stir-frying moves quickly!
How to Serve
This pepper steak practically begs to be served over a bed of fluffy white rice that soaks up all that delicious sauce. Here are some perfect pairings:
Main Serving Suggestions
- Serve over steamed jasmine or basmati rice for an authentic experience
- Try it with brown rice for a nuttier flavor and added fiber
- For a lower-carb option, serve with cauliflower rice
Side Dishes
- A simple cucumber salad with rice vinegar dressing adds a fresh, crisp element
- Steamed broccoli or green beans make excellent vegetable sides
- Crispy spring rolls or dumplings turn this into a complete takeout-style feast
Make Ahead and Storage
Storing Leftovers
Store any leftover pepper steak in an airtight container in the refrigerator for up to 3 days. The flavors actually continue to develop overnight, making the leftovers sometimes even more delicious than the original meal!
Freezing
This dish freezes surprisingly well. Place completely cooled leftovers in a freezer-safe container or heavy-duty freezer bag, removing as much air as possible. Freeze for up to 2 months. The vegetables will soften a bit upon thawing, but the flavor remains excellent.
Reheating
For best results, reheat the pepper steak in a skillet over medium heat, adding a tablespoon of water to loosen the sauce if needed. Microwave reheating works in a pinch—cover loosely and heat in 30-second intervals, stirring between each until warmed through.
FAQs
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Can I use a different cut of beef for this recipe?
Absolutely! While flank steak is ideal for its tenderness and flavor, you can substitute sirloin, ribeye, or even flat iron steak. The key is to slice whatever cut you choose very thinly against the grain. If you’re using a tougher cut like chuck, consider marinating it for a few hours with a tablespoon of baking soda mixed with water before cooking.
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Why isn’t my sauce thickening properly?
The most common reason is that your pan isn’t hot enough. The cornstarch needs heat to activate and thicken. Make sure your stir-fry is bubbling when you add the sauce. Another possibility is that you forgot to mix the cornstarch thoroughly—it needs to be completely dissolved in the liquid ingredients before adding to the pan. If it’s still not thickening, you can always mix an additional teaspoon of cornstarch with a tablespoon of cold water and add it to the pan.
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Can I make this dish ahead for meal prep?
Yes! This pepper steak works wonderfully for meal prep. I recommend slightly undercooking the vegetables so they don’t become too soft when reheated. Store individual portions with rice in microwave-safe containers for quick lunches throughout the week. The flavors continue to develop, making day two and three even more delicious.
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How can I reduce the sodium in this recipe?
The easiest way is to use reduced-sodium or low-sodium soy sauce, which cuts the salt content significantly without sacrificing flavor. You can also reduce the amount of soy sauce to ⅓ cup and replace the rest with beef broth. Adding more vegetables also helps dilute the sodium per serving while adding nutrition and volume to your meal.
Final Thoughts
This Easy Pepper Steak is truly a weeknight dinner hero. It delivers bold, satisfying flavor with minimal effort, proving that homemade Chinese-inspired meals can be faster and tastier than takeout. The combination of tender beef, colorful peppers, and that irresistible sauce creates a meal that feels special even on ordinary days. Give it a try the next time you’re craving something delicious but short on time—your taste buds (and family) will thank you!
PrintEasy Pepper Steak Recipe
- Prep Time: 15minute
- Cook Time: 15 minutes
- Total Time: 30 minutes
- Yield: 4 servings 1x
- Category: Main-course
- Method: Stovetop
- Cuisine: Asian-inspired
Description
This Easy Pepper Steak features tender strips of flank steak stir-fried with vibrant bell peppers and onions in a savory, glossy sauce. Simple and quick to prepare, it’s perfect for weeknight dinners or when you crave a flavorful Asian-inspired dish. Serve it over rice for a satisfying and hearty meal.
Ingredients
Sauce
- 1/2 cup soy sauce (low sodium)
- 1/4 cup rice vinegar (or less, if you don’t like the vinegar taste)
- 1 tablespoon brown sugar (packed)
- 2 tablespoons cornstarch
Stir Fry
- 2 tablespoons vegetable oil
- 1 pound flank steak (sliced thinly against the grain)
- 1/4 teaspoon salt (or to taste)
- 1/2 teaspoon freshly ground pepper
- 1 medium onion (sliced)
- 1 medium red bell pepper (thinly sliced)
- 1 medium green bell pepper (thinly sliced)
- 3 cloves garlic (minced)
Instructions
- Prepare the Sauce:
In a small bowl, combine all the sauce ingredients (soy sauce, rice vinegar, brown sugar, and cornstarch). Stir until smooth and set aside. - Season the Steak:
In a bowl, season the thinly sliced flank steak with salt and pepper, ensuring the seasoning coats all pieces evenly. - Brown the Steak:
Heat 1 tablespoon of vegetable oil in a skillet over medium-high heat. Add the seasoned steak and spread it out evenly in the skillet. Let it cook undisturbed for 1 minute to develop a nice sear, then use a spatula to stir the meat. Continue to cook for another minute before transferring the steak to a plate. - Cook the Vegetables:
In the same skillet, add the remaining tablespoon of vegetable oil. Toss in the red and green bell peppers along with the onion slices. Stir-fry for about 4–5 minutes until the vegetables soften but still retain a slight crunch. - Combine Steak and Garlic:
Return the cooked steak to the skillet and add the minced garlic. Stir everything together and cook for 30 seconds, allowing the garlic to release its aroma. - Thicken the Sauce:
Pour the prepared sauce over the steak and vegetables. Stir the mixture continuously for another 30 seconds to 1 minute, or until the sauce thickens and coats everything evenly. - Serve and Garnish:
Optionally garnish with sesame seeds for added texture and flavor. Serve hot over a bowl of cooked rice.
Notes
- Beef Cut Matters: Use flank steak for its tenderness. Slicing it thinly against the grain ensures melt-in-your-mouth bites. Freeze it for 15–20 minutes before slicing for easier handling.
- Troubleshooting Sauce: If the sauce isn’t thickening, ensure the skillet is hot enough. Increase the heat, stir, and watch it turn glossy. If it thickens too much, a tablespoon of water can loosen it perfectly.
- Adjust Saltiness: Use low-sodium soy sauce and adjust based on your taste preferences. The vinegar and sugar balance the flavors well.
- Vinegar Substitutes: In the absence of rice vinegar, use white or apple cider vinegar but in smaller amounts, adjusting to taste.
- Add More Veggies: Quick-cooking vegetables like snow peas, broccoli florets, or mushrooms can elevate the dish. Avoid overcrowding the pan, as too many vegetables can make the sauce watery.
- Storage: Leftovers can be stored in an airtight container and refrigerated for up to 3 days. Reheat gently in a skillet over medium heat to maintain the dish’s vibrant flavors.
Nutrition
- Serving Size: 1 serving
- Calories: 290
- Sugar: 6g
- Sodium: 560mg
- Fat: 14g
- Saturated Fat: 2g
- Unsaturated Fat: 11g
- Trans Fat: 0g
- Carbohydrates: 16g
- Fiber: 2g
- Protein: 23g
- Cholesterol: 50mg