The Cutest Mini Lomo Saltado

Name: Tiny Lomo Saltado
Yield: 0
Cuisine: peruvian
Ingredients: 1 tiny potato; 1 tablespoon vegetable oil; 1/2 tiny onion, chopped; 1 cherry tomato, sliced; Salt and pepper; 1/2 teaspoon white vinegar; 1/4 teaspoon soy sauce; 1/8 teaspoon aji amarillo paste; 1 ounce ribeye, cut into thin long pieces; Cilantro; White rice, cooked