Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A vibrant rice bowl combining Okinawan purple sweet potato, seaweed, and tangy pickled vegetables for a nutrient-dense balanced meal. This japanese-inspired rice & grains ready in about 40 minutes pairs short-grain Japanese rice, rehydrated wakame seaweed (dried), rice vinegar for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 2, 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.

Prep: 20 min Cook: 20 min Serves 2 Japanese cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Rinse 200 g short-grain Japanese rice under cold water until the water runs clear. Cook rice in a rice cooker or on stovetop with 240 ml water until tender, about 15 minutes.
  2. Step 2: Meanwhile, steam 150 g peeled and cubed Okinawan purple sweet potato for 10 minutes until tender but holding shape.
  3. Step 3: In a small bowl, combine 2 tbsp rice vinegar, 1 tsp sugar, 1/4 tsp salt, 50 g julienned carrot, and 50 g julienned daikon radish. Mix well and let sit for 15 minutes to create quick pickles.
  4. Step 4: Rehydrate 5 g dried wakame seaweed in warm water for 5 minutes, then drain well.
  5. Step 5: To assemble, place cooked rice in bowls and top with steamed purple sweet potato cubes and wakame seaweed. Spoon pickled vegetables on the side.
  6. Step 6: Drizzle 1 tbsp soy sauce over the bowl, sprinkle 1 tsp toasted sesame seeds and 1 chopped scallion stalk for garnish. Serve warm or at room temperature.

Frequently asked questions

How long does Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables take to make?

Total time is about 40 minutes (20 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep short-grain japanese rice from drying out.

Can I substitute ingredients in Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Seaweed and Purple Sweet Potato Rice Bowl with Pickled Vegetables?

Japanese rice & grains like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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