A mexican recipe of tomato soup. Easy, 10 minute red salsa with smoky, fire-roasted tomatoes, onion, cilantro, garlic, and fresh lime juice! Flavorful, fresh, and perfect for Mexican night. Because the colours of the red tomato, white onion, and green chili and cilantro are reminiscent of the colours of the Mexican flag, it is also called salsa bandera or flag sauce.