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How many calories are in a mug of miso soup?

4 min read

With a basic preparation of just miso paste and dashi stock, a cup of miso soup can contain as few as 35-50 calories. The exact number of calories in a mug of miso soup is highly variable and depends entirely on the specific ingredients and portion size, from simple seaweed to richer proteins.

Quick Summary

Miso soup's calorie count varies based on its ingredients. While a basic broth is low in calories, additions like tofu, vegetables, and seafood can increase the total. It is a highly customizable and nutritious soup.

Key Points

  • Variable Calories: The calorie count in miso soup changes drastically based on the ingredients added, ranging from under 50 kcal for a basic broth to over 150 kcal for heartier versions.

  • Add-ins Matter: Simple additions like tofu and green onions slightly increase calories, while seafood, meats, and noodles can create a much higher-calorie meal.

  • Rich in Probiotics: Miso soup contains beneficial bacteria from fermented paste, which supports digestive health and may boost the immune system.

  • High in Sodium: A key nutritional factor to be aware of is the high sodium content of miso paste, which should be consumed in moderation, especially by those on low-salt diets.

  • Customizable for Health: Controlling your ingredients and portion size allows you to tailor miso soup to fit specific dietary needs, including managing calorie and sodium intake.

  • Homemade vs. Instant: While instant packets are convenient and low-calorie, preparing homemade miso soup gives you full control over all ingredients and nutritional values.

In This Article

The Core Calorie Count

At its most basic, a traditional miso soup is an extremely low-calorie dish. This simple broth consists of dashi, a Japanese stock, and fermented miso paste. A typical 1-cup (240 ml) serving of this minimalist version can be around 35 to 50 calories. This makes it an excellent starter or side dish for those watching their calorie intake. The specific type of miso paste can slightly influence the calorie count, with varieties like white (shiro) miso being milder and often slightly different nutritionally than darker, saltier red (aka) miso.

What are the main ingredients and their effect?

The core ingredients for a simple miso soup are water, dashi, and miso paste. However, the ingredients added are where the significant caloric changes occur. Commonly, traditional recipes include:

  • Tofu: A small block of silken tofu adds a soft texture and a moderate amount of protein, boosting the calorie count. For example, a cup of miso soup with green onion and tofu might contain around 60-100 calories.
  • Wakame Seaweed: This nutrient-rich, dried seaweed adds a fresh flavor and texture, but very few calories. It's often used sparingly.
  • Green Onions (Scallions): Thinly sliced green onions provide a fresh, pungent garnish with a negligible caloric impact.

As you begin adding more substantial items, the calorie count rises. Other popular additions that can increase the nutritional profile, and the calories, include:

  • Vegetables: Root vegetables like potatoes or hearty greens like spinach can increase the total energy. A bowl with potatoes, for instance, will be more calorically dense than a plain broth.
  • Seafood and Meats: For a more filling, ramen-style soup, ingredients like clams, shrimp, or pork can be added. These can push the calorie count significantly higher, often into the 150-250 calorie range for a single mug.
  • Noodles: Adding noodles will transform the light soup into a full meal, dramatically increasing the carbohydrate and calorie content. It's no longer just a simple mug of soup at that point.

Comparison of Miso Soup Calorie Variations

Type of Miso Soup Approximate Calories (per 1 cup/mug) Key Ingredients Caloric Impact
Basic 35-50 kcal Dashi, miso paste Very Low
With Tofu & Green Onion 60-100 kcal Dashi, miso, silken tofu, green onions Low to Moderate
With Wakame & Tofu 50-80 kcal Dashi, miso, wakame, silken tofu Low
Hearty Vegetable 100-150 kcal Dashi, miso, root vegetables, mushrooms Moderate
With Seafood/Meat 150-250+ kcal Dashi, miso, shrimp, clams, pork, noodles High

Making Your Miso Soup Healthier

For those who love the flavor of miso soup but want to keep it as healthy as possible, customization is key. Since you have control over the ingredients, you can easily adjust the nutritional output. A primary concern for many is the sodium content, which can be high depending on the paste and serving size. To manage this, look for low-sodium miso pastes or simply use a bit less. Pair your soup with other healthy, low-sodium foods to balance your meal.

The health benefits beyond calories

Beyond being a potentially low-calorie dish, miso soup offers several health benefits thanks to its fermented nature:

  • Probiotics for Gut Health: Miso paste contains millions of beneficial bacteria, which can promote a healthy gut flora and aid in digestion.
  • Rich in Nutrients: Despite its light profile, miso is a source of vitamins (including K and B) and minerals like manganese, copper, and zinc.
  • High Satiety: The savory umami flavors in miso can make you feel full and satisfied, potentially curbing overeating during a meal.
  • Potential Heart Health: Some studies suggest that the compounds in miso, and soy in general, may offer cardiovascular benefits, though the high sodium content requires mindful consumption.

The instant vs. homemade factor

Instant miso soup packets offer a convenient and quick option, but how do they compare nutritionally? Most instant varieties are pre-portioned and dehydrated, meaning their calorie count is consistent. For example, some single-serving instant miso soups are as low as 21 kcal per packet. However, homemade versions allow for complete control over ingredients, from the type of dashi to the freshness and quantity of add-ins like tofu, vegetables, and seaweed, and ultimately, the total calorie count and sodium level. You can find detailed guides on making your own dashi and soup for a truly authentic and customized experience. Explore some options from our recipe section.

Conclusion

The calories in a mug of miso soup are not a fixed number but a variable influenced by the ingredients and preparation method. A simple, traditional broth is a very low-calorie and nutritious addition to any meal. By choosing your additions carefully, you can create a wholesome, satisfying, and filling soup. Whether you prefer a minimalist version or a heartier, more complex bowl, miso soup remains a versatile and healthy option that is far less calorically dense than many Western-style soups.

By understanding how different ingredients affect the nutritional profile, you can easily tailor your miso soup to fit your dietary goals, all while enjoying the rich, umami flavor and its health benefits. The key is to be mindful of your add-ins and the overall portion size. Enjoying a mug of this traditional Japanese staple can be a satisfying and health-conscious choice.

Frequently Asked Questions

A standard cup or mug of miso soup at a restaurant typically includes dashi, miso paste, tofu, and seaweed. This version usually contains between 60 to 100 calories, depending on the restaurant's recipe and portion size.

While different types of miso paste (white, red, yellow) have slight nutritional variations, the caloric difference per tablespoon is minimal. However, the richer, saltier red miso might lead to using less paste, slightly reducing the overall calories from the miso itself.

Miso soup can be a good addition to a weight-loss diet because it's low in calories and its savory umami flavor can increase satiety, helping you feel full. When paired with a balanced diet and exercise, it can support weight management.

Yes, miso soup is safe for daily consumption. However, due to its high sodium content, it's recommended to consume it in moderation, such as one to three times per day, to keep your salt intake in check.

To lower the sodium, you can opt for a low-sodium miso paste, use less miso paste, or use a combination of unsalted dashi stock and a smaller amount of miso paste. You can also increase the amount of vegetables to add flavor without extra salt.

Dashi can be made from bonito flakes, kombu seaweed, or other ingredients. A homemade dashi from scratch will add minimal calories. Pre-packaged dashi granules may contain slightly more calories and sodium, but the overall caloric impact remains low.

Instant miso soup is generally very low in calories, with some varieties as low as 21 kcal per serving. However, homemade soup allows you to fully control ingredients and can also be kept at a low calorie count, often around 35-50 kcal for a simple broth.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.