Miso

🌱 What it is

Miso is made by fermenting soybeans, often together with rice or barley, using a mold culture (koji) over weeks to months, producing a deeply savory, salty paste.

📜 Where it comes from

Miso developed in Japan over more than a thousand years, likely adapted from earlier fermented soybean pastes brought from China, and it became a foundational seasoning in Japanese cooking, used daily in soups, marinades, and sauces. Traditional miso-making relied on a mold culture called koji to slowly ferment soybeans, often together with rice or barley, over weeks or months in wooden vats. Regional variation across Japan produced many different styles, from light and sweet to dark and intensely savory.

✨ Why it's good for you

• Provides live beneficial cultures when unpasteurized and not boiled
• A source of plant protein and B vitamins
• Adds deep savory flavor without needing much added fat
• Traditional fermentation may make some soy nutrients easier to absorb

🥗 Nutrition

Per 1 tablespoon (17g) · about 34 calories

• Protein 2g
• Sodium 634mg
• Manganese 0.3mg
• Vitamin K 12mcg

Source: USDA FoodData Central

🥄 How to use it

Stir a spoonful into warm (not boiling) water or broth for a simple soup, or whisk into dressings and marinades; add miso at the end of cooking, off high heat, to protect its live cultures and flavor.

Why it works: Food scientists explain miso's deep savory flavor as the product of koji fermentation breaking down soy proteins into amino acids, while nutritionists note its notable sodium content as the main dietary consideration.

📚 Learn more

💬 Ask Remy about Miso

📚 Resource confidence

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