Peruvian Lomo Saltado (Beef Stir Fry with Fries)

• 1 ½ - 2 lbs. beef steak sliced into medium size strips, any steak cut
• 2 tablespoons of oil
• 1 red onion cut into large slices, large
• 2 garlic crushed, cloves
• 3 Roma tomato cut into eights or wedges, and seeds removed
• 1 tablespoon balsamic vinegar
• 1 tablespoon rice vinegar add more to taste
• 2-3 tablespoons soy sauce
• 1 to 2 ajíes amarillos seeds removed, and cut into thin strips or finely diced - replace with other spicy peppers or mild sweet peppers for non-spicy version, or Peruvian yellow chili peppers
• 1 tbs cilantro finely chopped
• 2 green onions finely chopped, or scallions

To serve:

• French Fries
• rice
• red onion add diced aji amarillo to make them Peruvian style, Peruvian style pickled
• avocado optional