Amongst many varieties of tarragon, Mexican tarragon has the strongest and sweetest flavor and its spicy aroma enhances the taste of many dishes. The herb is very popular in Mexico and US.
Tomatillo is the younger sister of tomato and, just like the last one, it can be used in a lot of dishes. This tiny fruit is present in many cuisines around the world.
Epazote is not such a common herb, but its flavor is unmistakable. Native to Central and South America, it is most used on the American continent, but it also can be found in sub-tropical regions of Europe.