Round Steak in Criolla Sauce Recipe

• 2 lbs round steak
• 6 cups water
• 1/2 tablespoon salt
• 1 tablespoon whole peppercorn
• 1 medium onion halved
• 1 bunch leeks chopped

Criolla Sauce:

• 1 medium tomato seeds removed and chopped finely
• 1 green bell pepper chopped finely
• 1/4 teaspoon garlic minced
• 1 tablespoon parsley chopped
• 1 medium yellow onion chopped finely
• 1 red bell pepper chopped finely
• 1/4 cup white wine vinegar
• 1/2 cup extra virgin olive oil
• Salt and ground black pepper to taste