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–+ servings

Easy Miso Soup with Shiitakes & Sweet Potatoes One Pot Recipe

This one pot recipe is a comforting, umami-packed dish perfect for slow cooking.
Featuring shiitake mushrooms, sweet potatoes, and extra-firm tofu, it’s a flavorful and wholesome meal that’s easy to prepare and packed with rich, savory flavors.
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Course Soup
Cuisine Japanese-inspired
Servings 6

Equipment

  • Slow cooker
  • Microwave

Ingredients
  

  • 12 ounces shiitake mushrooms stemmed and sliced thin
  • 2 scallions sliced thin
  • 1 2-inch piece of ginger, peeled and sliced into 1/4-inch thick rounds
  • 4 garlic cloves minced
  • 2 teaspoons toasted sesame oil
  • 1/4 teaspoon table salt
  • 1/8 teaspoon red pepper flakes
  • 6 cups water divided
  • 1/2 cup white miso
  • 14 ounces extra-firm tofu cut into 1/2-inch cubes
  • 12 ounces sweet potatoes peeled and cut into 1/2-inch pieces
  • 1 tablespoon soy sauce plus extra for seasoning
  • 3 ounces 3 cups watercress, cut into 2-inch pieces

Instructions
 

  • Microwave mushrooms, scallions, ginger, garlic, sesame oil, salt, and red pepper flakes in a bowl, stirring occasionally until mushrooms are softened (about 5 minutes). Transfer this mixture to the slow cooker.
  • In a separate bowl, whisk 1 cup of water and miso until fully dissolved. Add this miso mixture to the slow cooker along with tofu, sweet potatoes, soy sauce, and the remaining 5 cups of water. Stir to combine. Cover and cook on low for 4 to 5 hours or on high for 3 to 4 hours until sweet potatoes are tender.
  • Discard the ginger slices. Stir in the watercress and let it wilt for about 3 minutes. Taste and adjust seasoning with extra soy sauce, salt, and pepper as needed. Serve hot.

Notes

Cook Time: 4 to 5 hours on low or 3 to 4 hours on high
Keyword Easy shiitake miso soup, One pot miso soup recipe, Slow cooker miso soup, Sweet potato tofu soup, Umami-rich soup ideas
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