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Japanese Clam Miso Soup
4.8 from 24 votes

Japanese Clam Miso Soup

Filled with umami, this easy Clam Miso Soup will be the newest addition to your soup lineup. The savory kombu stock pairs perfectly with the delicate essence of fresh clam stock. It's an oceanic culinary experience right in your own bowl.

Prep Time
5 mins
Cook Time
5 mins
Additional Time
1 hr 15 mins
Total Time
1 hr 25 mins
Servings: 2
Calories: 41 kcal
Course: Soup
Cuisine: Japanese

Ingredients

  • ½ lb manila clams
  • 2 cups water
  • 1 piece kombu 0.2 oz, 5 g; 2 x 2 inches, 5 x 5 cm per piece, dried kelp
  • 2 Tbsp miso paste I use koji miso or awase miso
  • 1 green onion finely chopped, or scallion
For Cleaning the Clams
  • 2 cups water
  • 1 Tbsp kosher salt Diamond Crystal brand

Instructions

    Cup of Yum
  1. Gather all the ingredients.
To De-Grit and Clean the Clams
  1. As soon as you purchase the clams, you must purge them of sand and clean them following my tutorial. Use 2 cups water and 1 Tbsp Diamond Crystal kosher salt and start this process 1 hour prior to cooking.
To Prepare the Clam Miso Soup
  1. In a medium pot, put the clean ½ lb Manila clams, 2 cups water, and 1 piece kombu (dried kelp) and bring it to a boil over medium heat.
  2. Once boiling, reduce the heat to medium low.
  3. Skim off the scum using a fine-mesh skimmer. Tip: Prepare a cup/bowl of water and dip the skimmer in the water to clean.
  4. When all the clams open up, turn off the heat immediately and do not overcook it. Remove and discard the kombu.
  5. Use a ladle and dissolve 2 Tbsp miso. Each brand of miso has different saltiness, so adjust the taste of the soup by adding more water or miso (add a small amount at a time).
  6. Serve the Clam Miso Soup in individual soup bowls. Sprinkle with 1 green onion/scallion (chopped). When you need to reheat the soup, make sure you DO NOT BOIL the miso soup because it will lose its flavor.
To Store
  1. You can keep the leftovers in an airtight container or in the pot and store in the refrigerator for 24 hours.

Nutrition Information

Calories 41kcal (2%) Carbohydrates 4g (1%) Protein 4g (8%) Fat 1g (2%) Saturated Fat 1g (5%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 1g (5%) Trans Fat 1g (50%) Cholesterol 5mg (2%) Sodium 564mg (24%) Potassium 65mg (1%) Fiber 1g (4%) Sugar 1g (2%) Vitamin A 121IU (2%) Vitamin C 1mg (1%) Calcium 54mg (5%) Iron 1mg (6%)

Nutrition Facts

Serving: 2 Serving

Amount Per Serving

Calories 41

% Daily Value*

Calories 41kcal 2%
Carbohydrates 4g 1%
Protein 4g 8%
Fat 1g 2%
Saturated Fat 1g 5%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 1g 5%
Trans Fat 1g 50%
Cholesterol 5mg 2%
Sodium 564mg 24%
Potassium 65mg 1%
Fiber 1g 4%
Sugar 1g 2%
Vitamin A 121IU 2%
Vitamin C 1mg 1%
Calcium 54mg 5%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.