Cucumber and Wakame Pickles (Kyuuri to Wakame No Amasuzuke)

The first time I tasted these cucumber and wakame pickles was at a tiny, bustling izakaya in Tokyo. I was squeezed shoulder-to-shoulder with locals, the air thick with the aroma of grilled yakitori and the murmur of lively conversations. Between sips of sake, I was served a small bowl of these vibrant green pickles. The crisp coolness of the cucumber, the subtly salty tang of the wakame, and the delicate sweetness of the marinade created a flavor explosion that was both refreshing and intensely satisfying. It was a simple dish, but it perfectly captured the essence of Japanese cuisine: fresh ingredients, balanced flavors, and meticulous preparation. That memory, that taste, has stayed with me, and I’ve been making my version of these pickles ever since, always chasing that perfect balance of sweet, sour, and salty.

Recipe Overview

• Prep Time: 15 minutes
• Cook Time: 5 minutes (for the marinade)
• Total Time: 2 hours 20 minutes (includes chilling time)
• Servings: 4-6
• Dietary Type: Vegan, Gluten-Free

Ingredients

Marinade:

• 8 tablespoons rice wine vinegar
• ½ teaspoon dashi powder or 1 piece kombu seaweed (4 inches square)
• 1 ½ tablespoons sugar
• 1 teaspoon sea salt
• 4 tablespoons boiling water
• 1 whole dried red chili pepper (optional)

Vegetables:

• 1 large English cucumber
• 2 tablespoons dried pre-cut wakame seaweed

Equipment Needed

• Zipper bag or non-metal bowl
• Measuring spoons and cups
• Knife
• Cutting board
• Small saucepan (if using kombu instead of dashi powder)

Instructions

1. Prepare the Marinade: In a zipper bag or a non-metal bowl, combine the rice wine vinegar, sugar, and sea salt.
2. Add Dashi (or Prepare Kombu Broth): If using dashi powder, add it directly to the vinegar mixture. If using kombu seaweed, place the kombu in a small saucepan with the water. Bring to a boil, then immediately remove from heat. Let steep for 5 minutes, then remove the kombu (you can save it for another use!). Add the kombu infused water to the vinegar mixture.
3. Dissolve the Sugar and Salt: Shake or stir the marinade mixture until the sugar and salt are completely dissolved. The boiling water will help this process.
4. Add Chili (Optional): If using, add the whole dried red chili pepper to the marinade. Be careful, a little chili can add spice!
5. Prepare the Cucumber: Cut the English cucumber into thick slices or small chunks, depending on your preference. I like slices about ¼ inch thick.
6. Combine Vegetables and Marinade: Place the sliced or chunked cucumber and the dried wakame seaweed into the zipper bag or non-metal bowl with the marinade.
7. Marinate: Gently toss to coat all the vegetables with the marinade. Seal the bag or cover the bowl tightly.
8. Refrigerate: Refrigerate for at least 2-3 hours, or preferably overnight, to allow the flavors to meld and the wakame to rehydrate.
9. Serve: When ready to serve, pour off the excess marinade (this helps prevent the pickles from becoming too soggy). The pickles are now ready to enjoy!

Expert Tips & Tricks

• Cucumber Selection: Choose an English cucumber, as it has fewer seeds and a thinner skin than other varieties. This results in a crisper pickle.
• Wakame Rehydration: Don’t over-soak the wakame before adding it to the marinade. It will continue to rehydrate in the marinade itself.
• Marinade Intensity: Adjust the sugar and salt levels to your liking. If you prefer a tangier pickle, reduce the sugar slightly. If you prefer a saltier pickle, add a pinch more sea salt.
• Kombu Savings: Don’t discard the kombu after making the broth! You can slice it thinly and add it to the pickles for extra flavor and texture, or use it in other dishes like simmered vegetables.
• Chili Caution: If you add chili, remember the spice level will increase over time. Remove the chili after a couple of hours if you prefer a milder flavor.
• Crispness Preservation: To maintain the crispness of the cucumber, avoid marinating for extended periods (more than 24 hours). The cucumber will eventually become softer.

Serving & Storage Suggestions

These cucumber and wakame pickles are best served chilled as a refreshing side dish or appetizer. They pair perfectly with grilled fish, sushi, or any Japanese meal. They also make a great addition to bento boxes or as a palate cleanser between courses.

To store, keep the pickles in an airtight container in the refrigerator. They will last for up to 3 days. Note that the texture will change slightly over time, becoming a bit softer.

These pickles are not suitable for freezing, as the texture of the cucumber will be significantly altered upon thawing.

Nutritional Information

(Estimated per serving, based on 6 servings)

Nutrient	Amount per Serving	% Daily Value
Calories	30 kcal	2%
Total Fat	0g	0%
Saturated Fat	0g	0%
Cholesterol	0mg	0%
Sodium	500mg	21%
Total Carbohydrate	7g	3%
Dietary Fiber	0g	0%
Sugars	6g	0%
Protein	0g	0%

Variations & Substitutions

• Vegetable Variations: Experiment with other vegetables! Thinly sliced radishes, carrots, or daikon radishes also work well in this style of pickle.
• Vinegar Options: While rice wine vinegar is traditional, you can substitute it with apple cider vinegar or white wine vinegar in a pinch. The flavor will be slightly different, but still delicious.
• Sweetener Alternatives: If you’re looking to reduce sugar, you can use honey or maple syrup as a substitute, but start with a smaller amount and adjust to taste.
• Spice it Up: For extra heat, add a pinch of red pepper flakes to the marinade instead of the whole dried chili.
• Herb Infusion: Infuse the marinade with fresh herbs like ginger or mint for a different flavor profile. Add thinly sliced ginger or a few mint leaves to the marinade during the refrigeration process.

FAQs (Frequently Asked Questions)

Q: Can I reuse the marinade?

A: Yes, the marinade can be reused once. Simply boil it, let it cool completely, and then add fresh vegetables. Be sure to discard after the second use.

Q: Can I use fresh wakame instead of dried?

A: Yes, you can use fresh wakame, but you’ll need to adjust the amount. Use about ¼ cup of fresh wakame. You may also want to blanch the fresh wakame briefly before adding it to the marinade.

Q: How long will the pickles last in the refrigerator?

A: These pickles are best eaten within 3 days of preparation. After that, the cucumber will become softer and the flavors may become too intense.

Q: Can I make these pickles without dashi powder or kombu?

A: Yes, you can omit the dashi powder or kombu, but it will affect the umami flavor of the pickles. If omitting, you may want to add a pinch of MSG (monosodium glutamate) for that umami richness. This is not necessary, but some people prefer it.

Q: Are these pickles spicy if I add the red chili pepper?

A: The level of spiciness depends on the type of chili pepper you use and how long you leave it in the marinade. Start with a small chili and remove it after a couple of hours if you prefer a milder flavor.

Final Thoughts

I hope you’ll try this simple yet incredibly flavorful recipe for Cucumber and Wakame Pickles. It’s a fantastic way to bring a taste of Japan to your own kitchen. Don’t be afraid to experiment with the variations and find your perfect balance of sweet, sour, and salty. If you find ways to make these pickles even more amazing, I encourage you to experiment and share your creations. Serve them alongside your favorite Asian dishes, and I guarantee they’ll be a hit!