
This classic Chinese-American dish combines tender strips of beef with colorful peppers in a rich, savory sauce. Simple ingredients create complex flavors perfect for a satisfying weeknight dinner.
The secret to this dish lies in proper heat control and timing - high heat creates perfect sear while keeping vegetables crisp.
Essential Ingredients Guide
- Flank steak: Slice against grain thin
- Bell peppers: Mix colors for presentation
- Onions: Sweet or yellow work well
- Soy sauce: Use low sodium
- Cornstarch: Creates silky sauce
Step-by-Step Method
Prepare the Beef
- Slice meat while partially frozen
- Marinate thoroughly
- Pat dry before cooking
- Work in batches
- Remove promptly

Cook Vegetables
- High heat for crispness
- Don't overcrowd pan
- Keep moving constantly
- Remove while still crisp
- Set aside covered
Finish Dish
- Return all to pan
- Add sauce ingredients
- Toss quickly
- Thicken properly
- Serve immediately
Make-Ahead Tips
Slice meat and vegetables ahead. Mix sauce and store separately.

Years of making this dish taught me that preparation and timing create the perfect balance of tender meat and crisp vegetables in silky sauce.
Frequently Asked Questions
- → How do I slice the steak properly?
- Slice against the grain while the meat is slightly frozen for thin, tender strips.
- → Can I make this ahead?
- You can slice vegetables and meat ahead, but cook just before serving for best texture and flavor.
- → What's the best pan to use?
- A wok or large skillet works best. High heat and quick cooking are key.
- → Is this very spicy?
- No, it's mild. Add red pepper flakes or fresh chilies for heat if desired.
- → Can I freeze leftovers?
- Yes, but vegetables may be softer when thawed. Reheat gently to prevent overcooking the meat.