This seaweed soup is a simple yet nourishing dish that brings the flavors of the ocean to your table. It's perfect for a light meal or as a starter to a larger feast. The combination of seaweed, garlic, and sesame oil creates a comforting and savory broth that is both healthy and delicious.
When preparing this recipe, you might need to visit a specialty store or the international aisle of your supermarket to find dried seaweed. This ingredient is essential for the soup's unique flavor and nutritional benefits. Make sure to also check for sesame oil, which adds a rich, nutty taste to the broth.

Ingredients for Seaweed Soup Recipe
Seaweed: Dried seaweed is rehydrated to add a unique oceanic flavor and texture to the soup.
Water: The base of the soup, used to create the broth.
Garlic: Minced garlic adds a pungent and aromatic depth to the soup.
Soy sauce: Provides a salty and umami-rich flavor to the broth.
Sesame oil: Adds a nutty and rich taste, enhancing the overall flavor of the soup.
Salt: Used to season the soup to taste.
Pepper: Adds a hint of spice and warmth to the soup.
Technique Tip for Making Seaweed Soup
When preparing dried seaweed, ensure it is thoroughly soaked and drained to remove any excess salt and impurities. This not only enhances the texture but also ensures a cleaner flavor in your soup. Additionally, when adding soy sauce and sesame oil, do so gradually and taste as you go to achieve the perfect balance of umami and nuttiness.
Suggested Side Dishes
Alternative Ingredients
dried seaweed - Substitute with spinach: Spinach provides a similar texture and a mild flavor that complements the soup well.
water - Substitute with vegetable broth: Vegetable broth adds more depth and richness to the soup compared to plain water.
minced garlic - Substitute with garlic powder: Garlic powder can be used if fresh garlic is unavailable, though it may lack the same intensity of flavor.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that offers a similar umami flavor.
sesame oil - Substitute with olive oil: Olive oil can be used for a different but still rich flavor, though it won't have the same nutty aroma.
salt - Substitute with miso paste: Miso paste adds a salty and umami flavor, enhancing the overall taste of the soup.
pepper - Substitute with white pepper: White pepper provides a milder heat and a slightly different flavor profile, suitable for soups.
Alternative Recipes Similar to Seaweed Soup
How to Store or Freeze This Soup
Allow the seaweed soup to cool completely before storing. This helps prevent condensation, which can lead to a watery texture and spoilage.
Transfer the cooled soup into airtight containers. Glass containers with tight-fitting lids are ideal, but BPA-free plastic containers or heavy-duty freezer bags also work well.
Label each container with the date of preparation. This ensures you can keep track of its freshness and consume it within a safe timeframe.
For short-term storage, place the containers in the refrigerator. The seaweed soup will stay fresh for up to 3-4 days.
For long-term storage, place the containers in the freezer. The soup can be frozen for up to 2-3 months without losing its flavor and nutritional value.
When ready to enjoy, thaw the frozen seaweed soup in the refrigerator overnight. This gradual thawing process helps maintain the soup's texture and taste.
Reheat the soup gently on the stovetop over medium heat, stirring occasionally. Avoid boiling, as this can cause the seaweed to become too soft and lose its texture.
If the soup appears too thick after reheating, add a splash of water or vegetable broth to achieve the desired consistency.
Taste and adjust the seasoning if necessary. Sometimes, a pinch of salt or a dash of soy sauce can revive the flavors after storage.
Serve hot and enjoy the comforting, nutritious goodness of your seaweed soup once again!
How to Reheat Leftovers
For stovetop reheating:
- Pour the leftover seaweed soup into a pot.
- Heat over medium heat, stirring occasionally to ensure even heating.
- Once the soup begins to simmer, reduce the heat to low and let it warm through for about 5-7 minutes.
- Taste and adjust seasoning if necessary, adding a splash of soy sauce or a drizzle of sesame oil if needed.
- Serve hot and enjoy the rejuvenated flavors.
For microwave reheating:
- Transfer the seaweed soup to a microwave-safe bowl.
- Cover the bowl with a microwave-safe lid or a microwave-safe plate to prevent splatters.
- Heat on high for 2-3 minutes, pausing halfway to stir the soup for even heating.
- Check the temperature and heat for an additional 1-2 minutes if necessary.
- Let it sit for a minute before serving to allow the heat to distribute evenly.
For reheating in a slow cooker:
- Pour the leftover seaweed soup into the slow cooker.
- Set the slow cooker to the low setting.
- Allow the soup to heat for 1-2 hours, stirring occasionally.
- Once the soup is thoroughly heated, taste and adjust the seasoning if needed.
- Serve directly from the slow cooker for a warm and comforting meal.
Best Tools for Making Seaweed Soup
Pot: A large vessel used to boil water and cook the soup.
Measuring cup: Used to measure the correct amount of water and seaweed.
Knife: Essential for mincing the garlic.
Cutting board: Provides a safe surface for mincing the garlic.
Strainer: Used to drain the soaked seaweed.
Wooden spoon: Ideal for stirring the soup as it simmers.
Ladle: Useful for serving the hot soup into bowls.
How to Save Time on Making This Soup
Pre-soak the seaweed: Soak the dried seaweed in advance and store it in the fridge to save time.
Use pre-minced garlic: Buy pre-minced garlic to cut down on prep time.
Boil water quickly: Use an electric kettle to boil water faster.
Measure ingredients ahead: Pre-measure soy sauce, sesame oil, salt, and pepper to streamline the cooking process.

Seaweed Soup Recipe
Ingredients
Main Ingredients
- 1 cup Dried seaweed soaked and drained
- 4 cups Water
- 2 cloves Garlic minced
- 1 tablespoon Soy sauce
- 1 teaspoon Sesame oil
- 1 teaspoon Salt to taste
- 1 teaspoon Pepper to taste
Instructions
- 1. Soak the dried seaweed in water for 10 minutes, then drain and set aside.
- 2. In a pot, bring 4 cups of water to a boil.
- 3. Add the minced garlic and soaked seaweed to the pot.
- 4. Stir in the soy sauce, sesame oil, salt, and pepper.
- 5. Let it simmer for about 15-20 minutes.
- 6. Serve hot and enjoy!
Nutritional Value
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