Mizu-Yokan — Cold-Set Summer Bean Jelly (水羊羹)

Japan — yokan (originally a Chinese-derived sheep meat jelly, 羊羹) was adapted by Buddhist monks into a bean paste jelly. Mizu-yokan as a specifically higher-water summer version developed through the Edo period, particularly in Kyoto and Osaka.

Mizu-yokan (水羊羹, water yokan) is a summer wagashi — a softer, higher-water-content version of yokan (羊羹, traditional dense bean jelly) that is set with less agar and more water, producing a delicate, trembling, almost transparent jelly that serves as a cooling summer sweet. Where standard yokan is dense and shelf-stable, mizu-yokan is perishable, must be refrigerated, and is eaten cold — the extra water content and softer gel create a coolness-in-the-mouth sensation that is the point. Aichi Prefecture's Minokamo region is particularly known for mizu-yokan as a winter specialty (a regional anomaly — cold bean jelly in winter).

Mizu-yokan's primary flavour experience is textural-thermal: the cool, gently sweet, softly yielding gel dissolves smoothly on the palate. The azuki bean provides its characteristic earthy sweetness — subtle, roasted-grain quality — and the agar itself is neutral. The lightness of mizu-yokan compared to dense yokan means the flavour is less assertive but the cooling, refreshing quality is heightened. Served with unsweetened cold barley tea (mugicha), the combination is quintessentially Japanese summer.