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bok choy miso soup in a soup bowl with chopsticks on the edge on a counter

Vegetarian Bok Choy Miso Soup

This delicious bok choy soup is loaded with veggies, made with soba noodles, and seasoned with miso, garlic, ginger, and red pepper flakes. It's a one pot meal that comes together quickly!
Course Dinner, Main Course, Side Dish, Soup
Cuisine Asian
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 4
Calories 190kcal


  • soup pot



  • Heat the sesame oil in a large soup pot over medium heat. Add the onion, mushrooms, ginger, garlic, and red pepper flakes. Cook until the onion is translucent, stirring frequently, about 5 to 7 minutes.
  • Pour in the vegetable broth and add the miso paste. Use your spoon to break up the miso as needed. Increase heat and bring to a boil.
  • Add the dry soba noodles to the pot, and cook according to package instructions until tender. Mine usually take about 6 to 8 minutes.
  • Halfway through the noodle cooking time, stir in the chopped bok choy. Once the noodles are tender and the bok choy has wilted, stir in the lemon juice. Taste and adjust seasonings as desired.


  • This serves 4 as a side and 2 or 3 as a main dish. Feel free to add tofu for more protein.
  • Look for miso in the refrigerated condiment section of your grocery store. Soba noodles are usually found in the international aisle.
  • Keep leftovers in an airtight container in the fridge for 3 days. Reheat in a saucepan over medium heat, stirring occasionally, until warmed through. If the noodles have absorbed most of the broth, add more liquid as needed while reheating.


Serving: 1.5cups | Calories: 190kcal | Carbohydrates: 34g | Protein: 7g | Fat: 4g | Saturated Fat: 1g | Sodium: 954mg | Potassium: 406mg | Fiber: 1g | Sugar: 6g | Vitamin A: 819IU | Vitamin C: 5mg | Calcium: 37mg | Iron: 1mg