Is Miso Halal?

Miso—known for its deep, savory flavor, earthy aroma, and rich creamy texture—is a cornerstone of Japanese cooking. It’s used in everything from soul-warming miso soup to marinades, dressings, and glazes. Traditionally, miso is made by fermenting soybeans with salt and koji, a cultured starter made from rice, barley, or soybeans. During fermentation, proteins break down into umami-rich amino acids, while starches convert into sugars. As with ripening fruit or rising bread, fermentation generates a trace amount of alcohol as a natural byproduct.

This leads many Muslim home cooks to ask: is miso halal? 

According to halal authorities like the Indonesian Ulema Council (MUI), a small amount of naturally occurring alcohol from fermentation does not render food haram—as long as the food does not include other haram ingredients, the alcohol is not added deliberately, and it does not contain enough alcohol to be intoxicating.If you’re looking for peace of mind, we offer halal-certified miso so you can enjoy the rich, complex flavor of authentic miso while staying true to your values.