Wakame Soup Japanese Seaweed

Featured in: Vegetarian Bowls & Fresh Sides

This traditional Japanese soup combines rehydrated wakame seaweed with silky tofu cubes in a savory dashi broth. The preparation involves soaking the dried seaweed until tender, simmering it with tofu in aromatic stock, then whisking in white miso paste for umami depth. A touch of soy sauce and optional sesame oil completes the seasoning profile. The result is a light, mineral-rich bowl that serves as an ideal appetizer or comforting side dish. Best enjoyed garnished with fresh scallions and paired with steamed rice or sushi.

Updated on Sun, 25 Jan 2026 12:51:44 GMT
Steaming bowl of Wakame Soup with tender tofu and bright scallion garnish. Save to Pinterest
Steaming bowl of Wakame Soup with tender tofu and bright scallion garnish. | metrochop.com

Wakame Soup is a nourishing Japanese seaweed soup, rich in iodine and minerals. It features tender wakame, tofu, and a delicate dashi broth, making it perfect as a light appetizer or side dish.

Steaming bowl of Wakame Soup with tender tofu and bright scallion garnish. Save to Pinterest
Steaming bowl of Wakame Soup with tender tofu and bright scallion garnish. | metrochop.com

This traditional dish is prized for its simplicity and the clean, oceanic flavor of wakame seaweed. It provides a comforting and light start to a meal, capturing the essence of Japanese home cooking.

Ingredients

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  • 8 g dried wakame seaweed
  • 4 cups (1 liter) dashi stock (use vegetarian dashi for vegetarian option)
  • 100 g silken or firm tofu, cubed
  • 2 scallions, thinly sliced
  • 2 tbsp white miso paste
  • 1 tsp soy sauce (gluten-free if needed)
  • 1 tsp sesame oil (optional)

Instructions

Step 1
In a small bowl, soak the dried wakame in cold water for 5 minutes until rehydrated. Drain and set aside.
Step 2
In a medium saucepan, bring the dashi stock to a gentle simmer over medium heat.
Step 3
Add the cubed tofu and rehydrated wakame to the pot. Simmer for 2–3 minutes.
Step 4
In a separate bowl, blend the miso paste with a ladle of hot broth until smooth. Stir the mixture back into the soup.
Step 5
Add soy sauce and sesame oil (if using). Stir gently and heat for 1 more minute without boiling.
Step 6
Serve hot, garnished with sliced scallions.

Zusatztipps für die Zubereitung

To maintain the best flavor and nutritional profile, avoid boiling the soup once the miso paste has been added. Check your miso and soy sauce labels to ensure they are gluten-free if you are following a restricted diet.

Varianten und Anpassungen

For a fully vegan version, use a dashi made from kombu and dried shiitake mushrooms. You can also boost the nutrition by adding extra vegetables like sliced mushrooms, carrots, or fresh spinach during the simmering stage.

Serviervorschläge

Serve this Wakame Soup steaming hot with a garnish of fresh scallions. It pairs perfectly with steamed white rice or a selection of sushi for a complete and balanced Japanese meal.

A comforting bowl of Wakame Soup showcasing fluffy tofu and oceanic seaweed flavor. Save to Pinterest
A comforting bowl of Wakame Soup showcasing fluffy tofu and oceanic seaweed flavor. | metrochop.com

Whether enjoyed as a quick lunch or a starter for a larger dinner, this Wakame Soup is a healthy and flavorful choice that brings a taste of Japan to your kitchen in no time.

Recipe FAQ

What does wakame taste like?

Wakame has a mild, slightly sweet flavor with a delicate ocean essence. When rehydrated, it becomes tender and adds a subtle briny note to soups without being overpowering.

Can I use vegetable stock instead of dashi?

Yes, you can substitute vegetable broth, though the flavor profile will change slightly. For authentic taste, consider making kombu and shiitake mushroom broth as a vegetarian dashi alternative.

How do I prevent miso from losing its nutrients?

Never boil miso paste, as high heat destroys beneficial enzymes and probiotics. Always dissolve it in a small amount of hot broth first, then stir it into the soup off the heat or at very low temperature.

Is this soup suitable for meal prep?

Yes, but store the soup without the miso added. Refrigerate for up to 3 days and stir in fresh miso when reheating. The tofu and wakame may soften slightly but will remain tasty.

What vegetables can I add to wakame soup?

Spinach, sliced shiitake mushrooms, carrots, or daikon radish work beautifully. Add hearty vegetables like carrots during simmering, and delicate greens like spinach just before serving.

Is wakame healthy?

Absolutely. Wakame is rich in iodine, calcium, magnesium, and vitamins A, C, and K. It supports thyroid function, bone health, and provides beneficial minerals in a low-calorie package.

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Wakame Soup Japanese Seaweed

Nourishing Japanese seaweed soup with tender wakame, tofu, and delicate dashi broth. Rich in minerals, ready in 20 minutes.

Prep Time
10 minutes
Bake/Cook Time
10 minutes
Time Needed
20 minutes
Recipe By Elizabeth Perry


Skill Level Easy

Cuisine Japanese

Makes 4 Portions

Dietary Needs Meat-Free, No Dairy

What You'll Need

Seaweed and Broth

01 Dried wakame seaweed, 0.3 oz
02 Dashi stock, 4 cups

Vegetables and Tofu

01 Silken or firm tofu cubed, 3.5 oz
02 Scallions thinly sliced, 2

Seasoning

01 White miso paste, 2 tbsp
02 Soy sauce, 1 tsp
03 Sesame oil, 1 tsp

How-To Steps

Step 01

Rehydrate Wakame: Soak the dried wakame in cold water for 5 minutes until fully rehydrated. Drain and set aside.

Step 02

Heat Dashi Stock: Pour dashi stock into a medium saucepan and bring to a gentle simmer over medium heat.

Step 03

Add Tofu and Wakame: Add the cubed tofu and rehydrated wakame to the simmering broth. Simmer for 2 to 3 minutes.

Step 04

Prepare Miso Paste: In a separate bowl, blend the miso paste with one ladle of hot broth until smooth and well combined.

Step 05

Incorporate Miso: Stir the miso mixture back into the soup until fully integrated.

Step 06

Season and Finish: Add soy sauce and sesame oil, stirring gently. Heat for 1 additional minute without allowing the soup to boil.

Step 07

Serve: Pour into bowls and garnish with sliced scallions. Serve immediately while hot.

Tools You'll Need

  • Medium saucepan
  • Ladle
  • Small mixing bowl
  • Knife and cutting board

Allergy Notes

Always check each ingredient for allergens and reach out to a healthcare provider if you're uncertain.
  • Contains soy from tofu, miso paste, and soy sauce
  • May contain gluten in miso and soy sauce; verify labels for gluten-free certification
  • Sesame oil may trigger allergic reactions in sensitive individuals

Nutrition Details (per portion)

These details are for informational purposes and aren't a substitute for professional medical guidance.
  • Energy: 65
  • Fats: 2 g
  • Carbohydrates: 7 g
  • Proteins: 5 g

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