Chilled Okinawan Purple Sweet Potato and Miso Salad

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

A refreshing salad combining creamy mashed Okinawan purple sweet potatoes with a tangy miso dressing and crisp cucumber for texture contrast. This japanese-inspired salads (vegetarian) ready in about 30 minutes pairs white miso paste, rice vinegar, sesame oil into a side that holds its own next to almost any main — bright, balanced, and quick enough to slot into a weeknight plate. Each serving lands at about 150 calories and feeds 3, so it slots cleanly next to roasted proteins, grain bowls, or weeknight mains. 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: 10 min Cook: 20 min Serves 3 Japanese cuisine 150 cal/serving
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Ingredients

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Instructions

  1. Step 1: Place 250 g peeled and cubed Okinawan purple sweet potatoes in a pot of cold water, bring to a boil, and simmer for 15 minutes until tender; drain and mash smooth.
  2. Step 2: In a small bowl, whisk together 2 tbsp white miso paste, 1 tbsp rice vinegar, 1 tsp sesame oil, and 1 tsp honey until smooth and well combined.
  3. Step 3: Fold the miso dressing gently into the warm mashed sweet potatoes until evenly coated.
  4. Step 4: Transfer the mixture to a serving bowl and chill in the refrigerator for 30 minutes to develop flavors.
  5. Step 5: Before serving, toss in 1 small thinly sliced cucumber and 2 thinly sliced scallions, then sprinkle 1 tbsp toasted sesame seeds on top for crunch.

Frequently asked questions

How long does Chilled Okinawan Purple Sweet Potato and Miso Salad take to make?

Total time is about 30 minutes (10 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 Chilled Okinawan Purple Sweet Potato and Miso Salad?

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 white miso paste from drying out.

Can I substitute ingredients in Chilled Okinawan Purple Sweet Potato and Miso Salad?

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 Chilled Okinawan Purple Sweet Potato and Miso Salad for a different number of people?

The recipe is written for 3 servings. Multiply each ingredient by (your serving target / 3). 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.

Is Chilled Okinawan Purple Sweet Potato and Miso Salad vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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