Tender strips of beef stir-fried with onions and colorful peppers in a rich garlic soy sauce. This quick and flavorful dish is perfect for busy weeknights and tastes even better served over rice or noodles.

Ingredients

1½ lbs beef sirloin or flank steak, thinly sliced
1 large onion, cut into chunks
1 red bell pepper, sliced
1 green bell pepper, sliced
4 garlic cloves, minced
2 tbsp soy sauce
1 tbsp oyster sauce
1 tbsp brown sugar
1 tsp black pepper
1 tsp paprika
2 tbsp vegetable oil
1 tsp sesame oil
2 green onions, chopped

Instructions

Heat vegetable oil in a large skillet or wok over high heat.

Add the beef and cook for 2–3 minutes until browned.

Remove the beef and set aside.

In the same skillet, add onions and peppers. Stir-fry for 3 minutes until slightly tender but still crisp.

Add garlic and cook for 30 seconds until fragrant.

Stir in soy sauce, oyster sauce, brown sugar, black pepper, paprika, and sesame oil.

Return the beef to the skillet and toss everything together until fully coated.

Cook another 2 minutes until hot and glossy.

Sprinkle with chopped green onions before serving.

Serving

Serve hot over steamed rice, fried rice, or noodles.

Storage

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

Tips

Slice beef thinly against the grain for tenderness
Use high heat for the best stir-fry texture
Do not overcrowd the pan
Fresh garlic gives the best flavor
Add chili flakes for extra spice

FAQ

Can I use chicken instead of beef?
Yes, chicken or shrimp work very well.

What vegetables can I add?
Broccoli, mushrooms, snap peas, or carrots are delicious additions.

Can I make this gluten-free?
Use gluten-free soy sauce and oyster sauce alternatives.

How do I keep the beef tender?
Cook quickly over high heat and avoid overcooking.