Pesto where it is known as "pistou". In contrast with "pesto alla genovese", "pistou" is generally made with olive oil, basil and garlic only: while cheese may be added, usually no nuts are included in a traditional "pistou" because no pine trees grow there to provide the nuts. "Pistou" is used in the typical "soupe au pistou", a hearty vegetable soup with "pistou" flavour. The sauce did not originally contain basil, however; instead, cheese and olive oil were the main constituents. Sometimes almonds are used instead of pine nuts, and sometimes mint leaves are mixed in with the basil leaves. It
Zanthoxylum piperitum the aroma. The young leaves are crushed and blended with miso using "suribachi" (mortar) to make a paste, a pesto sauce of sorts, and then used to make various "aemono" (tossed salad). The stereotypical main ingredient for the resultant "kinome-ae" is the fresh harvest of bamboo shoots, but the sauce may be tossed (or delicately "folded") into sashimi, clams, squid or other vegetable such as "tara-no-me" (angelica-tree shoots). The immature green berries, blanched and salted, are called "ao-zanshō" (). The berries are traditionally simmered into dark-brown "tsukudani", but nowadays are also available as "shoyu-zuke", which is just steeped in soy