noun
coarse sweet red bean paste; chunky anko
Refers to sweet red bean paste (anko) that retains whole or partially mashed azuki beans, giving it a chunky texture. Contrasts with こしあん (smooth, strained anko).
See also: 餡
たい焼きは、つぶあんとこしあんのどちらが好きですか。
For taiyaki, do you prefer chunky or smooth red bean paste?
このおはぎは、つぶあんを使っています。
This ohagi uses coarse sweet red bean paste.
Compound of 粒 (tsubu, 'grain') and あん (an, 'bean paste'), referring to the grainy texture of the paste.