Miso, a traditional Japanese seasoning made from fermented soybeans, rice, or barley, has been a staple in Asian cuisine for centuries. It's packed with umami flavor and boasts a variety of health benefits, but is Miso keto-friendly? The simple answer is YES! Miso is keto friendly (in moderation). If you’re following a ketogenic diet and wondering whether miso fits within your macros, this guide breaks everything down for you.

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Is Miso Soup Keto?
Yes, miso can be keto-friendly when consumed in moderation. A single serving of miso soup typically contains only about 2-4 grams of net carbs, which is well within the daily allowance for most people on a ketogenic diet, so miso soup is good for keto.
However, there are a few factors to consider:
Pair it Wisely: Avoid pairing miso with high-carb ingredients like noodles or sweetened sauces to keep the miso keto-friendly.
Types of Miso
Miso is a fermented paste that adds a deep, savory flavor to soups, marinades, dressings, and even sauces. The fermentation process introduces beneficial probiotics, which makes it a gut-friendly ingredient. While it is commonly associated with miso soup, its versatility extends far beyond that.
Check the Ingredients: Some commercial miso pastes may have added sugars or starches that can increase the carb count, so always check the label.
Portion Control Matters: While small amounts are fine, consuming large quantities could add up in carbs and mean that miso soup is no long keto friendly.
Miso comes in different varieties, with the most popular being:
- White Miso (Shiro Miso 白味噌) - Light and slightly sweet, made with a higher percentage of rice or barley.
- Yellow Miso (Shinshu Miso 信州味噌) - Milder in flavor, a balance between white and red miso.
- Red Miso (Aka Miso 赤味噌) - Longer fermentation gives it a stronger, saltier, and more pungent flavor.
- Barley Miso (Mugi Miso 麦味噌) - Made with barley, offering a deep, nutty taste.
Carbs in Miso Soup
Since keto is a low-carb, high-fat diet, the primary concern is whether miso contains too many carbohydrates. Here’s a quick breakdown of miso’s nutritional profile per tablespoon (about 17 grams), which is enough to make miso soup with:
- Calories: 33-40
- Carbohydrates: 3-4 grams
- Fiber: 0.5-1 gram
- Protein: 2 grams
- Fat: 1 gram
While miso does contain some carbohydrates, the amount is relatively low, especially when used in moderation. Since most recipes call for just a tablespoon or two, it can fit within a keto diet as long as you monitor your daily carb intake. So, yes - miso soup is keto friendly.
How to Use Miso on a Keto Diet
If you want to incorporate miso into your keto meal plan, here are a few delicious ways to do so:
- Miso Soup: Combine miso with bone broth, tofu, seaweed, and scallions for a warm, keto-friendly starter.
- Miso Marinades: Use miso as a base for marinating salmon, shrimp, chicken, or beef.
- Miso Butter: Mix miso with butter and spread it on grilled veggies or steak for a rich umami boost.
- Salad Dressings: Whisk miso with olive oil, vinegar, and sesame oil for a keto-friendly dressing.
Summary
Miso is a flavorful, nutrient-dense ingredient that can fit into a ketogenic diet when used mindfully. Its low carb count, combined with its probiotic benefits, makes it an excellent addition to keto meals. Just be sure to choose high-quality miso without added sugars and use it in moderate amounts.
So, is miso keto? Yes, as long as you watch your portions and carb intake. Enjoy this delicious, fermented superfood as part of your keto lifestyle!
Wondering about other foods that might be keto? Take a look at:
If you’ve love eating miso, let us know how you cook with it in the comments below.
Find us on Instagram @mylowsugarkitchen. Tag us in your creations using the hashtag #lowsugarkitchen.
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