Barley rice is not a single grain but a blend of barley and white rice, cooked together as a staple dish. The practice is especially common in Japanese cuisine, where it’s called “mugi gohan,” but versions exist across Korean and other East Asian food traditions. Some people also use the term loosely to describe barley prepared on its own as a rice substitute, served in bowls and eaten the same way you’d eat steamed rice.
Why Barley Gets Mixed With Rice
Barley on its own has a chewy, dense texture and a slightly nutty flavor that some people find less appealing than the soft stickiness of white rice. Mixing the two grains solves that problem. Studies on rice-barley blends found that mixes containing 10 to 15% barley had no significant difference in taste compared to plain rice, meaning you get barley’s nutritional benefits without changing the eating experience much. At higher ratios (20% barley or more), the texture becomes noticeably firmer and the stickiness drops, which some eaters prefer and others don’t.
In the Japanese tradition, a typical preparation uses about two rice-cups of short grain rice combined with roughly 100 grams of pressed barley, soaked together for 20 minutes, then cooked with extra water to account for the barley’s absorption. The barley is usually a pressed or rolled variety (like mochi mugi) that cooks at the same rate as white rice, so both grains finish together.
Types of Barley Used
Not all barley is the same, and the type you choose affects both nutrition and cooking time. The three main forms are hulled, hull-less, and pearled barley.
- Hulled barley is the most intact form you can eat. The tough outer husk is carefully removed, but the bran layer stays, keeping it a true whole grain. It takes the longest to cook and has the chewiest texture.
- Hull-less barley is a different variety where the husk isn’t tightly attached to the kernel, so it falls off during harvesting with minimal bran loss. It’s also a whole grain but slightly easier to prepare.
- Pearled barley is the most common type in grocery stores. The hull is scraped off in a process that also strips away most of the outer bran. This makes it cook faster and taste milder, but it’s no longer a whole grain and has less fiber.
For barley rice dishes, pearled or pressed barley is the usual choice because it cooks in the same timeframe as white rice. If you use hulled barley, you’ll need to soak it for hours or pre-cook it before adding it to rice.
Nutritional Profile
Barley is notably higher in fiber and protein than white rice. Per 100 grams of uncooked pearled barley, you get about 352 calories, 9.9 grams of protein, 77.7 grams of carbohydrates, and 15.6 grams of fiber. White rice, by comparison, contains roughly 2 to 3 grams of fiber per 100 grams uncooked. That fiber difference is the main reason people add barley to their rice in the first place.
The fiber in barley is a specific type called beta-glucan, a soluble fiber that forms a gel-like substance in your digestive tract. This physical viscosity slows down how quickly your body absorbs sugars and fats from a meal. Research published in NPJ Science of Food found that barley’s beta-glucan also feeds specific gut bacteria that produce compounds involved in improving how your body handles blood sugar. The effect works on two fronts: a mechanical slowing of digestion plus changes in gut chemistry that benefit glucose metabolism over time.
Barley also supplies meaningful amounts of magnesium, iron, manganese, and B vitamins, though the exact quantities depend on how heavily the grain has been processed. Hulled barley retains more of these minerals than pearled barley.
Blood Sugar and Glycemic Impact
This is where barley rice really distinguishes itself from plain white rice. White rice has a glycemic index (GI) around 80 to 86, placing it firmly in the high category. Highland barley on its own has a GI of about 48, which is low. A barley-multigrain rice blend tested in a clinical crossover study came in at a GI of roughly 43, compared to 80 for white rice in the same group of participants. That’s nearly half the blood sugar impact from the same type of meal.
For anyone managing blood sugar or trying to reduce the glycemic load of rice-heavy meals, swapping in even a modest amount of barley makes a measurable difference. The higher the proportion of barley in the mix, the lower the overall glycemic response.
Barley Contains Gluten
One important distinction between barley and rice: barley contains gluten. The Celiac Disease Foundation lists barley alongside wheat and rye as a primary source of gluten. This applies to all forms of barley, including pearled, hulled, and hull-less, as well as barley-derived products like malt extract, malt syrup, and malt vinegar. If you have celiac disease or a gluten sensitivity, barley rice is not safe to eat. Rice on its own is naturally gluten-free, so the barley component is the issue.
How to Use Barley Rice
The simplest approach is to replace 10 to 20% of your usual rice with pearled or pressed barley. Rinse both grains together, add slightly more water than you normally would for plain rice (roughly an extra half cup per cup of barley), and cook as usual in a rice cooker or pot. Soaking for 20 minutes before cooking helps the barley soften evenly.
Beyond the basic bowl, barley rice works well in grain bowls, fried rice, congee, and as a base for stews. Whole grain barley (hulled) makes a hearty addition to soups where the longer cooking time isn’t an issue. The chewy texture holds up better than plain white rice in dishes with broth, where regular rice tends to turn mushy. You can also cook barley entirely on its own and serve it as a rice alternative, topped with stir-fries, curries, or braised vegetables.