Es momento de brillar en la cocina - Lomo saltado

We'll prepare a perfect lomo saltado for 4 people: juicy, aromatic, and with that touch that will win you over at first taste. Ingredients: • 1 kg beef tenderloin • 1 packet of ground black pepper • 1 red bell pepper • 1 green bell pepper • 1 yellow bell pepper • 4 large ripe tomatoes • 2 red onions • 2 cloves of garlic • 20 ml white vinegar • 1 bunch of parsley • 200 ml oil • 300 ml soy sauce • 50 g sesame seeds • 500 g thick-cut small yellow potatoes • Enough oil for frying (approx. 2 liters)