Kombu Tsukudani (Simmered Kombu)
Wondering what to do with leftover kombu from making Japanese soup stock (dashi)? Make delicious simmered Kombu Tsukudani cooked in a sweet and savory sauce. My tender seasoned kelp recipe is an easy and tasty side dish for your plain steamed rice!

Ingredients
1 servings
Instructions
- Gather all the ingredients.
- Cut 2 oz used kombu (kelp) into thin strips.
- Remove the seeds from 1 dried red chili pepper and cut it into thin rounds.
- Transfer the sliced kombu to a medium sauce pan. Add 1 cup water, 1 Tbsp sake, and 1 Tbsp mirin.
- Add 1 tsp rice vinegar (unseasoned), 2 Tbsp soy sauce, 2 tsp sugar, and ½ tsp katsuobushi (dried bonito flakes).
- Add the red chili pepper. Bring the liquid to a boil over medium heat.
- Once boiling, reduce the heat to low and simmer until the liquid is almost evaporated, about 20–25 minutes. If the kombu is still not tender, add water and continue to cook. Check the taste and add more sugar and/or soy sauce, to your liking.
- Sprinkle ½ tsp toasted white sesame seeds on top. It's ready to serve.
- Keep the Tsukudani in the refrigerator and consume within 2 weeks.
Nutrition per serving
Protein8g
Carbs16g
Fat1g
153kcal
8gProtein
16gCarbs
1gFat
💰 Cost Estimate
Total Ingredients
$496.00
$496.00
Per Serving
$496.00/serving
$496.00/serving
🏠 Savings
~$992.00 vs buying!
~$992.00 vs buying!
📋 Price Breakdown (70% ingredients detected)
| Ingredient | Amount | Subtotal |
|---|---|---|
| used kombu | 2 oz | - |
| toasted white sesame seeds | 0.5 tsp | - |
| dried red chili pepper | 1 | $442.00 |
| water | 1 cup | - |
| mirin | 1 tbsp | $21.00 |
| sake | 1 tbsp | - |
| rice vinegar | 1 tsp | $2.00 |
| soy sauce | 2 tbsp | $30.00 |
| sugar | 2 tsp | $1.00 |
| katsuobushi | 0.5 tsp | - |
*Estimated market prices, may vary by region
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