
Heritage in a glass · Japan
Mugicha offers the aroma of roasted grain in a simple glass of tea. Its toasted flavour makes it a satisfying drink to serve with a meal or keep chilled for a warm afternoon.
At a glance: Use plain roasted-barley tea and water, with no added sugar. Follow the packet’s hot-brewing instructions, then chill promptly. Barley contains gluten: mugicha is not a suitable choice for someone with celiac disease or a barley allergy.
- Main ingredient
- Roasted barley (Hordeum vulgare)
- Added sugar
- 0 g when made with plain barley tea and water
- Caffeine
- Plain barley infusion contains no caffeine; check blends
- Important caution
- Barley contains gluten
From roasted grain to the household pitcher
Japan’s barley-tea industry cooperative traces predecessors of mugicha through roasted-grain preparations and later mugiyu, or barley-water stalls, in the Edo period. Those earlier preparations were not identical to the clear, chilled tea familiar today. Japan Barley Tea Industry Cooperative: history of mugicha (Japanese).
The heritage is a continuing practice of roasting, brewing and sharing, rather than an unchanged recipe preserved since the beginning of agriculture. A modern tea bag can carry that tradition into an ordinary kitchen.
A different flavour from leaf tea
Roasted barley gives mugicha its toasted, grain-like character. It can be served warm or cold, and the intensity depends on the product and brewing time. Plain barley tea is caffeine-free; a blend containing green tea or another ingredient may not be. Japan’s food-composition database lists the plain roasted-barley infusion separately. Japan MEXT Food Composition Database: roasted barley tea infusion.
Make a chilled pitcher
Makes: 1 litre, or four 250 mL servings. Time: the packet’s hot-brewing time, plus chilling.
- One plain roasted-barley tea sachet labelled for 1 litre, or the equivalent packet-specified quantity
- 1 litre drinking-quality water
- No sugar, syrup, malt extract or sweetener
- Check that the ingredients are plain roasted barley and that the sachet is intended for hot brewing. Packet sizes differ: do not assume every bag makes a litre.
- Follow the manufacturer’s hot-brewing method, including any boiling or simmering stage and the full brewing time.
- Remove the bag or strain the grains. Serve warm, or cool and refrigerate promptly for iced tea. Use clean ice when serving.
This is an editorial serving suggestion using a labelled commercial tea, not a claim that every historical household used these proportions.
Gluten and allergy: an essential distinction
Do not use barley tea as a gluten-free drink. Barley is a gluten-containing grain, and straining a drink does not establish that it is gluten-free. People with celiac disease should avoid this barley-based recipe. Anyone with a barley allergy should also avoid it. NIDDK: eating, diet and nutrition for celiac disease.
A person looking for a grain-free alternative can explore plain rooibos or hibiscus, checking the ingredients and the precautions on those pages.
No added sugar does not mean no carbohydrate
A plain barley infusion has no sugar added during preparation, but brewing can extract constituents from the grain. This recipe has not been laboratory analysed, so we do not label it “zero total sugar” or “zero carbohydrate”. A commercial sweetened barley drink or malt beverage is a different product; read its nutrition label.
Prepare, cool and serve with care
Use drinking-quality water, clean utensils and ingredients sold for food use. Prepare these infusions hot before chilling; follow the product’s brewing instructions. For herbal infusions, use freshly boiling water and steep for at least five minutes, or longer if the pack requires it. German Federal Institute for Risk Assessment: boiling water for herbal teas.
For a chilled pitcher, cool promptly in smaller heat-safe containers and refrigerate rather than leaving it warm on the counter. As a conservative household rule, refrigerate within two hours, or within one hour above 32°C / 90°F, and keep the refrigerator at 4°C / 40°F or below. These limits adapt general food-handling guidance; they are not a tested shelf life for these recipes. Make small batches, enjoy freshly prepared, and follow any shorter storage directions on the pack. FDA: safe food handling.
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Heritage, recipe and safetySources
- Japan Barley Tea Industry Cooperative: history of mugicha (Japanese)
- Japan MEXT Food Composition Database: roasted barley tea infusion
- NIDDK: eating, diet and nutrition for celiac disease
- German Federal Institute for Risk Assessment: boiling water for herbal teas
- FDA: safe food handling
- FDA: is food safe if it has chemicals?
Keeping ingredients in perspective
All drinks—including water, traditional teas and modern soft drinks—contain chemical substances. The word “chemical” alone does not tell us whether something is harmful. What matters is the substance, the amount consumed and the person drinking it. Modern soft drinks vary in their ingredients and sugar content; compare the actual product rather than assuming every soda is the same. Traditional drinks can offer flavour, cultural connection and options without added sugar, but their long history does not guarantee that every preparation suits everyone. FDA: is food safe if it has chemicals?.
Questions about this drink
What is a toasted alternative to soda without added sugar?
Mugicha is a Japanese roasted-barley infusion. This recipe adds no sugar or sweetener, giving a toasted grain flavour rather than sweetness. Follow the preparation and chilling instructions in the guide; total sugars have not been measured.
Is mugicha caffeine-free and gluten-free?
Plain roasted barley and water have no caffeine ingredients, but barley contains gluten. This drink is not suitable for someone who must avoid barley or gluten. Read the ingredients on blends and instant products separately.
Medical disclaimer
Educational resources only. Internets.com cannot provide personal medical advice, diagnosis, treatment recommendations, lab interpretation, or case review.
This information does not replace individual medical or dietary care. Consult a qualified health professional who knows your circumstances about medicines, allergies, pregnancy, breastfeeding, children, or existing illness. Do not stop or change prescribed treatment because of a beverage recipe.
Published 15 November 2026 · Internets Press. Recipes are editorial serving suggestions; no individual medical review is claimed.