Lomo Saltado (Peruvian Beef Stir Fry) - Chili Pepper Madness

Ingredients

• 1 pound flank steak (or use skirt steak, ribeye, or your favorite cut of beef)
• 3 tablespoons olive oil
• 2 tablespoons soy sauce
• 1 tablespoon white vinegar
• 3 cloves garlic (minced)
• 1 teaspoon cumin
• Salt and pepper to taste
• 8 ounce potato (sliced into French fry slices)
• 2 tablespoons olive oil
• 1 tablespoon olive oil
• 1 red onion (sliced)
• 1 aji amarillo pepper (sliced (you can use other peppers, but aji Amarillo is traditional))
• 1 large tomato (sliced)
• 3 tablespoons fresh chopped cilantro
• FOR SERVING: Cooked rice, hot sauce, fresh chopped cilantro, chili flakes