Spicy Beef Pepper Stir Fry (Printable)

Tender beef combined with crisp bell peppers in a spicy, savory sauce delivering vibrant flavors.

# What You'll Need:

→ Beef

01 - 1 lb flank steak or sirloin, thinly sliced
02 - 2 tsp cornstarch
03 - 1 tbsp soy sauce
04 - 1 tbsp vegetable oil

→ Vegetables

05 - 1 red bell pepper, thinly sliced
06 - 1 green bell pepper, thinly sliced
07 - 1 yellow bell pepper, thinly sliced
08 - 1 small red onion, thinly sliced
09 - 2 garlic cloves, minced
10 - 1 thumb-sized piece fresh ginger, peeled and grated

→ Sauce

11 - 2 tbsp soy sauce
12 - 1 tbsp oyster sauce
13 - 1 tbsp hoisin sauce
14 - 1 tbsp rice vinegar
15 - 2 tsp chili garlic sauce (adjust to taste)
16 - 1 tsp sugar
17 - 2 tbsp water

→ Garnish

18 - 2 spring onions, sliced
19 - Sesame seeds

# How-to Steps:

01 - Combine beef strips with cornstarch and 1 tablespoon soy sauce in a bowl and let marinate for 10 minutes.
02 - Whisk together soy sauce, oyster sauce, hoisin sauce, rice vinegar, chili garlic sauce, sugar, and water in a small bowl. Set aside.
03 - Warm 1 tablespoon vegetable oil in a large wok or skillet over high heat.
04 - Add marinated beef to the wok and stir-fry for 2 to 3 minutes until browned but still tender. Remove beef and set aside.
05 - Add bell peppers, red onion, garlic, and ginger to the wok; stir-fry for 2 to 3 minutes until vegetables are crisp-tender.
06 - Return beef to the wok, pour in the prepared sauce, and toss everything together. Stir-fry for 1 to 2 minutes until the sauce thickens and coats all ingredients evenly.
07 - Plate stir fry hot, garnished with sliced spring onions and sesame seeds. Serve alongside steamed rice or noodles as desired.

# Expert Pointers:

01 -
  • It manages to pack a punch of heat and savory goodness while still being quick enough for weeknight dinners
  • The combination of tender beef and crisp peppers feels like a little secret reward after a busy day
02 -
  • Marinating the beef with cornstarch is a game changer that keeps it tender despite high heat cooking
  • Adjusting the chili garlic sauce lets you control the spice level to suit any crowd
03 -
  • Let your wok get truly hot before cooking to achieve that perfect sear without steaming the beef
  • The secret to a thickened sauce without cornstarch slurry is stirring briskly and cooking on high heat just long enough