Ingredients

Scale

For the Beef Stir-Fry:

500 g (1 lb) beef sirloin, cut into thin strips

2 tablespoons vegetable oil

1 red onion, sliced into wedges

2 tomatoes, sliced into wedges

1 yellow bell pepper, sliced (optional)

2 cloves garlic, minced

2 tablespoons soy sauce

1 tablespoon red wine vinegar

1 tablespoon oyster sauce

½ teaspoon ground cumin

¼ teaspoon black pepper

¼ teaspoon salt

½ teaspoon aji amarillo paste (Peruvian yellow chili paste, optional)

Fresh cilantro, chopped (for garnish)

For Serving:

2 cups cooked white rice

2 cups French fries (homemade or frozen, cooked)

Instructions

Sear the Beef:

Heat 1 tablespoon of oil in a large pan or wok over high heat. Add beef strips and sear for about 2 minutes until browned. Remove and set aside.

Sauté the Vegetables:

In the same pan, add another tablespoon of oil. Sauté onions and bell pepper for 1–2 minutes until slightly softened. Add garlic and cook for 30 seconds.

Combine and Simmer:

Return the beef to the pan. Add tomatoes, soy sauce, red wine vinegar, oyster sauce, cumin, black pepper, salt, and aji amarillo paste if using. Stir-fry for 2 more minutes until everything is well combined and tomatoes soften slightly.

Serve:

Garnish with chopped cilantro. Serve hot with white rice and crispy French fries.