noun
truffle
Refers to the edible fungus, often used in high-end cuisine. The French loanword is standard; the native term 西洋松露 (せいようしょうろ) exists but is rare.
from French truffe
このレストランでは、トリュフを使ったパスタが人気です。
At this restaurant, pasta made with truffles is popular.
トリュフは香りが強く、少しだけでも料理の味が変わります。
Truffles have a strong aroma, and even a small amount changes the flavor of a dish.