While flat-leaf parley is traditionally used to make the authentic version of this sauce, you can make your variation by using a herb of your choice as the hero ingredient. Use cilantro and garlic with lime to make a flavor-bursting sauce. Kale chimichurri makes of kale for that extra boost of the health factor. Fresh spearmint chimichurri sauce – for a fresh minty flavorful sauce. Chimichurri with curly leaf parsley instead of flat-leaf. Avocado chimichurri with all the goodness of avo. Perilla chimichurri