Beef & Pepper Stir-Fry with Garlic Sauce – Savory, Quick & Packed with Flavor

Beef & Pepper Stir-Fry with Garlic Sauce is a fast and flavorful dish that combines tender slices of beef, crisp bell peppers, and a rich, aromatic garlic sauce. This classic-style stir-fry delivers bold umami flavors with a perfect balance of savory, slightly sweet, and garlicky notes.

It’s an ideal weeknight meal because it comes together in under 30 minutes and uses simple ingredients while still tasting like something from your favorite restaurant. The key lies in high-heat cooking, which locks in the juiciness of the beef while keeping the vegetables crisp and vibrant.

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Why You’ll Love This Recipe

This stir-fry is quick, versatile, and packed with flavor. The combination of garlic, soy sauce, and ginger creates a deeply savory base that coats each ingredient beautifully.

The beef is tender and juicy when properly seared, while the bell peppers add a natural sweetness and crunch. The garlic sauce ties everything together, giving the dish its signature bold taste.

It’s also highly customizable—you can adjust the vegetables, spice level, or even the cut of beef depending on what you have available.

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Ingredients

• 500g beef sirloin or flank steak (thinly sliced against the grain)
• 2 tablespoons soy sauce
• 1 tablespoon cornstarch
• 1 tablespoon oil (for marinating)
• 1 tablespoon vegetable oil (for cooking)
• 1 red bell pepper (sliced)
• 1 green bell pepper (sliced)
• 1 yellow bell pepper (sliced)
• 4 cloves garlic (minced)
• 1 teaspoon fresh ginger (grated)
• 1/4 cup soy sauce (for sauce)
• 2 tablespoons oyster sauce (halal-friendly substitute if needed)
• 1 tablespoon brown sugar or honey
• 1/2 cup beef broth or water
• 1 teaspoon sesame oil
• 1 tablespoon cornstarch mixed with 2 tablespoons water (slurry)
• Optional: chili flakes or chili sauce for heat

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Instructions

1. In a bowl, combine sliced beef with soy sauce, cornstarch, and 1 tablespoon oil. Mix well and let marinate for 10–15 minutes.
2. Heat a large pan or wok over high heat. Add a small amount of oil.
3. Add the beef in a single layer and sear for 2–3 minutes until browned. Remove and set aside.
4. In the same pan, add a bit more oil if needed, then sauté garlic and ginger until fragrant.
5. Add sliced bell peppers and stir-fry for 2–3 minutes until slightly tender but still crisp.
6. Return the beef to the pan and mix with the vegetables.
7. Add soy sauce, oyster sauce, brown sugar (or honey), and beef broth. Stir to combine.
8. Bring to a gentle simmer, then add the cornstarch slurry to thicken the sauce. Stir until the sauce becomes glossy and coats the beef and peppers.
9. Finish with sesame oil and optional chili flakes for heat.
10. Serve hot over steamed rice or noodles.

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Tips for Perfect Stir-Fry

Slice the beef thinly against the grain for maximum tenderness.

Use high heat to achieve a proper sear and avoid steaming the ingredients.

Do not overcrowd the pan—cook in batches if necessary.

Prepare all ingredients in advance, as stir-frying happens quickly.

Add the sauce at the end to preserve the freshness of the vegetables.

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Variations You Can Try

Swap beef for chicken, shrimp, or tofu for different protein options.

Add vegetables like broccoli, snap peas, or carrots for more variety.

Increase spice by adding fresh chili peppers or chili paste.

Use hoisin sauce for a slightly sweeter flavor profile.

Serve with noodles instead of rice for a different texture.

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Serving Suggestions

This stir-fry pairs perfectly with steamed white rice, jasmine rice, or fried rice.

You can also serve it over noodles for a heartier meal.

Add a side of cucumber salad or simple greens for freshness.

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Storage and Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days.

Reheat in a skillet over medium heat with a splash of water or broth to loosen the sauce.

Microwave in short intervals, stirring between each interval to ensure even heating.

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Nutritional Benefits

Beef provides protein and iron, while bell peppers are rich in vitamin C and antioxidants.

This dish offers a balanced combination of protein and vegetables, making it both satisfying and nutritious when paired with a simple carbohydrate like rice.

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Final Thoughts

Beef & Pepper Stir-Fry with Garlic Sauce is a quick, reliable, and flavor-packed dish that brings restaurant-style taste into your home kitchen. With its tender beef, crisp vegetables, and rich garlic sauce, it’s a perfect go-to recipe for busy days when you still want something delicious and satisfying.