Peruvian Sauteed Beef Tenderloin (Lomo Saltado)

this is another main course recipe from peruvian cuisine, i copied the recipe from yanuq.com http://www.yanuq.com/english/recipe.asp?idreceta=520 preparation time is aprox

• Ready In: 45 mins
• Serves: 8

Ingredients

• 2 1⁄4 lbs beef tenderloin, sliced into thin strips
• 3  red onions, peeled and cut in eight pieces
• 2 1⁄4 lbs  all purpose potatoes, peeled, cut for French fries
• 4  fresh peruvian yellow  chili (Yellow, green or orange-colored fresh hot pepper or chili. This is the most common aji used in Peru,)
• 4  tomatoes, cut in eighths
• 2  tablespoons  chopped parsley
• 1  tablespoon  balsamic vinegar
• 2  tablespoons soy sauce
• 1 1⁄4 cups  oil
• 1⁄2 teaspoon key lime juice
•  pepper

Directions

1. Preparation:
2. Heat ½ cup oil in a large skillet over high heat. Add beef and quickly sauté until beef is seared and browned on all sides. Remove pan from heat and transfer beef to a plate. Save covered.
3. Return pan to medium-high heat and add 1 ½ tablespoons oil. Add onions and sauté until edges are seared and they begin to soften, about 2 minutes.
4. Add aji amarillo, tomatoes, parsley, salt, pepper, soy sauce and vinegar. Sauté until tomatoes have softened, about 2 minutes.
5. Add beef and toss gently.
6. Optional: For a special taste pour ¼ cup Pisco over boiling meat and ignite. Cover and set aside.
7. Heat ¾ cups oil in a large nonstick skillet over medium heat. Add potatoes and sauté until browned and tender, about 15 minutes. Drain on paper towel.
8. Unmold rice in center of serving dish. Place beef and french fries on each side. Sprinkle with finely chopped parsley.