Zesty serrano peppers bring a bit of bite and pair perfectly in this award-winning hot sauce with cilantro, fennel, and onion for an elevated flavor profile featuring medium heat. This herbaceous recipe is the star of any fiesta--without the calories, sugar, carbs or gluten. In our opinion, this is the best-tasting Verde hot sauce on the market. Ingredients: Serrano peppers, apple cider vinegar, filtered water, fennel, onion, cilantro, Kosher salt, xanthan gum, citric acid. Size: 5 fl oz.