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Mineral-Rich Hijiki Salad with Matchstick Carrots & Fresh Ginger

Name: Mineral-Rich Hijiki Salad with Matchstick Carrots & Fresh Ginger
Prep time: 20 min
Cook time: 45 min
Total time: 65 min
Yield: 4 servings
Cuisine: japanese-washoku
Ingredients: 0.5 oz dried hijiki seaweed, rinsed thoroughly; 8.8 oz organic carrots, peeled and cut into fine matchsticks (julienne); 1 oz fresh ginger root, peeled and grated to a fine paste; 0.7 oz scallions (green onions), sliced thinly on a sharp bias; 3 Medjool dates, pitted and soaked in 60 ml warm water for 10 minutes; 1/4 cup extra-virgin olive oil, cold-pressed, high polyphenol; 1 tbsp toasted sesame oil, 100% pure, no additives; 2 tbsp coconut aminos, gluten-free soy sauce alternative; 1 tsp fresh lemon juice, juiced from organic lemons; 1 tbsp black sesame seeds, toasted lightly

A vibrant, mineral-dense salad featuring rehydrated hijiki seaweed tossed with crisp matchstick carrots, zesty fresh ginger, and a savory dressing sweetened only by whole dates. This dish honors the Japanese tradition of Washoku while strictly adhering to a no-refined-sugar, no-seed-oil protocol, delivering a satisfying crunch and deep umami flavor.

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Serves

Prep

20 min

Cook

45 min

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Mineral-Rich Hijiki Salad with Matchstick Carrots & Fresh Ginger — authentic Japanese Washoku recipe from Taste Meridian

Ingredients

Serves

The Seaweed Base

0.5 ozdried hijiki seaweed, rinsed thoroughly

Vegetables & Aromatics

8.8 ozorganic carrots, peeled and cut into fine matchsticks (julienne)
1 ozfresh ginger root, peeled and grated to a fine paste
0.7 ozscallions (green onions), sliced thinly on a sharp bias

The Date-Sesame Dressing

3Medjool dates, pitted and soaked in 60 ml warm water for 10 minutes
1/4 cupextra-virgin olive oil, cold-pressed, high polyphenol
1 tbsptoasted sesame oil, 100% pure, no additives
2 tbspcoconut aminos, gluten-free soy sauce alternative
1 tspfresh lemon juice, juiced from organic lemons

Garnish

1 tbspblack sesame seeds, toasted lightly

Equipment

fine-mesh sieve — essential for thoroughly rinsing hijiki to remove excess sand and grit
mandoline slicer or sharp chef's knife — required to achieve uniform, paper-thin matchsticks for the carrots
small blender or immersion blender — creates a smooth, emulsified dressing from the softened dates and oil

A little context

Rooted in the Japanese Washoku philosophy of balancing colors, textures, and nutrients, this dish traditionally relies on mirin and sugar for sweetness. We honor this tradition by substituting refined sugar with whole Medjool dates, which provide a deeper, caramel-like sweetness without spiking blood glucose. Similarly, we replace standard vegetable or canola oils—common in modern adaptations—with high-quality extra-virgin olive oil and toasted sesame oil, ensuring the dish remains true to its clean, farm-fresh origins.

Method

01
Rehydrate the Hijiki
Rinse the dried hijiki thoroughly under cold running water in a fine-mesh sieve to remove any sand. Place in a bowl, cover with cold water, and let soak for 20 to 30 minutes until the seaweed expands and becomes tender. Drain well and gently squeeze out excess water with your hands or a clean kitchen towel. Set aside.
02
Prepare the Vegetables
While the seaweed soaks, peel the organic carrots and cut them into fine matchsticks (julienne) using a mandoline or a sharp knife. The goal is uniform thin strips that will crisp-tenderize quickly. Peel the fresh ginger and grate it into a fine paste using a microplane or fine grater. Slice the scallions on a sharp bias.
03
Make the Date Dressing
In a small blender, combine the pitted Medjool dates (which have been soaking in 60 ml warm water), extra-virgin olive oil, toasted sesame oil, coconut aminos, and fresh lemon juice. Blend on high speed until the mixture is completely smooth and emulsified, scraping down the sides if necessary. The dates should break down fully to create a glossy, sweet-savory sauce without any chunks.
04
Combine and Massage
In a large mixing bowl, combine the drained hijiki, carrot matchsticks, grated ginger, and sliced scallions. Pour the date-sesame dressing over the top. Using clean hands, gently massage the dressing into the vegetables for about 30 seconds. This helps the carrots release a bit of their natural moisture and allows the hijiki to absorb the savory-sweet flavors.
05
Rest and Serve
Cover the bowl and let the salad rest at room temperature for 10 minutes to allow the flavors to meld and the carrots to soften slightly. Just before serving, toss once more to redistribute the dressing. Transfer to a serving platter and garnish generously with toasted black sesame seeds.

Pro tips

✦When buying hijiki, look for packages that are dark black and dry; avoid any that look gray or damp, which indicates age or improper storage.
✦To toast sesame seeds perfectly, dry toast them in a small pan over medium-low heat for 2-3 minutes until they just start to pop and smell nutty; do not walk away as they burn instantly.
✦If the carrots seem too tough after massaging, let the salad sit for another 5 minutes; the salt and acid in the dressing will continue to break down the cell walls.
✦For maximum polyphenol retention, use the highest quality, cold-pressed extra-virgin olive oil available, as heat and light degrade these compounds quickly.

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Equipment

Mandoline →Immersion Blender →

Substitutions

Medjool dates → 1 tbsp pure maple syrup or 1 tsp monk fruit syrup (use sparingly as dates provide bulk and fiber that liquid sweeteners lack)
hijiki seaweed → wakame or arame seaweed (wakame is softer and milder; arame is slightly sweeter and crunchier; adjust soaking time accordingly)
coconut aminos → certified gluten-free tamari (ensure the tamari is made without added sugar or preservatives)

Storage

Store in an airtight glass container in the refrigerator for up to 3 days. The carrots will soften over time, but the flavor deepens. Do not freeze, as the texture of the seaweed and carrots will become mushy upon thawing.

What to serve with it

Hot green tea (sencha or matcha) to complement the umami and aid digestion
Simple miso soup made with dashi and tofu
Steamed brown rice or quinoa to turn this into a full meal
Sparkling water with a slice of yuzu or lemon

FAQ

Is hijiki safe to eat regularly?+

Hijiki is incredibly nutritious but can contain inorganic arsenic. We recommend enjoying it in moderation (1-2 times per week) and always rinsing it thoroughly before soaking to minimize levels. Alternating with wakame or arame is a good practice.

Can I make this ahead of time?+

Yes, this salad actually improves after resting for 30 minutes to an hour as the flavors meld. It is perfect for meal prep, though the carrots will lose some crunch after 24 hours.