The spiciness can range from mild to very spicy depending on how many chili peppers are used to make it. Verde sauce has a herbaceous, zesty, and tangy taste. Is one of the most popular salsas used not only to accompany tacos and other dishes but also as a base to prepare many Mexican traditional recipes. Salsa verde is a traditional Mexican sauce made of tomatillos, green chili peppers, cilantro, and onions.