Chinese pepper steak with onions!

Chinese Pepper Steak with Onions: A Classic Takeout Favorite Made at Home

There’s something irresistible about the aroma of sizzling beef, onions, and bell peppers tossed in a glossy, savory sauce. Chinese Pepper Steak with Onions is one of those timeless dishes that perfectly balances bold flavors, tender textures, and simple ingredients. Best of all, it’s incredibly easy to make at home — no takeout menu required!

A Little Background

Pepper steak has its roots in Chinese-American cuisine, inspired by traditional stir-fry techniques from Cantonese cooking. The dish combines marinated strips of beef with colorful vegetables and a rich sauce made from soy sauce, oyster sauce, and a touch of cornstarch for that signature silky coating.

While many versions exist, the combination of tender beef, crisp bell peppers, and sweet onions remains the hallmark of this comforting classic.

Ingredients

For the beef and marinade:

• 1 lb (450g) flank steak or sirloin, thinly sliced against the grain

• 2 tablespoons soy sauce

• 1 tablespoon Shaoxing wine (or dry sherry)

• 1 teaspoon cornstarch

• 1 teaspoon sesame oil

For the stir-fry:

• 2 tablespoons vegetable oil, divided

• 1 large onion, sliced

• 1 red bell pepper, sliced

• 1 green bell pepper, sliced

• 2 cloves garlic, minced

• 1 teaspoon freshly ground black pepper (adjust to taste)

For the sauce: