Doubanjiang (chili bean paste) in Japan: what it's called and where to buy it
Doubanjiang is 豆板醤, sold in small jars on the Chinese seasoning shelf. 甜麺醤 is right next to it.
Look for this on the label
豆板醤
tōbanjan · chili bean paste
甜麺醤
tenmenjan · sweet bean sauce
豆豉
tōchi · fermented black beans