Simmered Seaweed Soup with Fish and Greens
A light and nourishing Okinawan soup featuring fresh fish, wakame seaweed, and seasonal greens, simmered to perfection. This Asian-inspired soup recipe, ready in about 35 minutes, pairs wakame seaweed, fish fillets, kombu for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 oz wakame seaweed
- 8 oz fish fillets
- 1 inch piece kombu
- 3 green onions
- 2 cups bok choy
- 1 tbsp soy sauce
- 1 tsp rice vinegar
- 1 clove garlic
- 4 cups vegetable broth
The stock pot we’d simmer this in → Best Stock Pots for 2026: Top Picks + Buying Guide
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Soak 1 oz wakame seaweed in 1 cup cold water for 5 minutes, then drain and roughly chop.
- Step 2: In a pot, combine 4 cups vegetable broth, 1 inch kombu, and 1 clove minced garlic. Bring to a gentle simmer over medium heat and cook for 15 minutes.
- Step 3: Add 8 oz fish fillets and simmer for 5 minutes until cooked through. Remove fish and set aside.
- Step 4: Add the drained 1 oz chopped wakame and 2 cups chopped bok choy to the broth, simmering for 3 minutes until greens are tender.
- Step 5: Stir in 1 tbsp soy sauce and 1 tsp rice vinegar. Return the fish to the pot and heat through for 2 minutes. Serve hot, garnished with 3 sliced green onions.








