Classic Lomo Saltado with Crispy Fries - Mr. Cook

Ingredients

• 500 g beef tenderloin, cut into strips
• 2 tablespoons vegetable oil
• 1 red onion, sliced
• 2 tomatoes, cut into wedges
• 1 yellow chili pepper, sliced
• 2 tablespoons soy sauce
• 1 tablespoon vinegar
• 1 teaspoon cumin
• Salt to taste
• Pepper to taste
• 4 large potatoes, peeled and cut into sticks
• Oil for frying the potatoes
• Chopped fresh cilantro for garnish