Japan (widespread national summer tradition; agricultural origin in barley cultivation regions)
Mugicha (麦茶, 'barley tea') is a caffeine-free infusion made from roasted barley — the summer drink of Japan, consumed cold by the pitcher in homes across the country from June through September. The kernels are roasted to varying degrees of darkness, then steeped in cold or hot water, producing a drink with a distinctive roasted-grain sweetness, mild bitterness, and nutty character. Unlike Japanese teas (green, oollong, black), mugicha contains no tea leaves and no caffeine — it is safe for children, pregnant women, and evening consumption. Cold-brew mugicha (made overnight in the refrigerator) produces a cleaner, gentler flavour than hot-then-cooled preparation. Most Japanese households keep a large jug of cold mugicha in the refrigerator throughout summer. The drink is associated with childhood — given to children as a safe beverage alternative, served at school lunch, drunk by grandmothers in cotton yukata on summer evenings. Mugicha is also consumed warm in winter, though this is less common than the summer cold version. The flavour profile — roasted grain, slightly bitter, clean — makes it an excellent palate cleanser between courses.
Roasted, nutty, mildly bitter, grain-sweet; clean finish; neutral and refreshing; the taste of Japanese summer
{"Caffeine-free: barley grain, not tea leaf — safe for all ages and times of day","Cold-brew preferred in summer: steeping overnight in refrigerator produces cleaner, sweeter result","Roast level determines flavour: lightly roasted = sweeter and milder; darkly roasted = more bitter and complex","Seasonal identity: quintessentially summer drink in Japan; temperature and season inseparable from the drink","Palate-cleansing function: the neutral roasted grain quality cleanses between rich flavours"}
{"For premium home mugicha: dry-pan roast whole barley lightly before cold-steeping for fresh roasted aroma","Add a pinch of salt to cold mugicha — electrolyte balance enhancement; traditional summer heat measure","Serve at 4–8°C for optimal refreshing character — too icy dulls the roasted grain aromatics","Mugicha pairs excellently with watermelon — a classic Japanese summer flavour combination"}
{"Over-steeping hot-brewed mugicha — produces harsh excessive bitterness","Using bags past recommended steep time — roasted barley releases bitterness quickly at high heat","Storing prepared mugicha too long — best within 24 hours; beyond that it becomes musty and flat","Serving warm year-round — while acceptable, it misses the essential summer cultural context"}
Richie Donald, A Taste of Japan