Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze

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

A colorful stir fry combining sweet, earthy Okinawan purple sweet potato and crisp bitter melon in a savory garlic soy glaze. This japanese-inspired vegetarian (vegetarian) ready in about 22 minutes pairs vegetable oil, minced garlic, soy sauce for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 160 calories and feeds 3, 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: 10 min Cook: 12 min Serves 3 Japanese cuisine 160 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp vegetable oil in a large skillet over medium-high heat. Add 3 cloves minced garlic and sauté for 30 seconds until fragrant but not browned.
  2. Step 2: Add 150 g peeled and cubed Okinawan purple sweet potato and stir fry for 5 minutes until the edges begin to soften and lightly brown.
  3. Step 3: Add 100 g thinly sliced bitter melon to the skillet and continue stir frying for another 3 minutes until the bitter melon softens but retains a slight crunch.
  4. Step 4: Stir in 2 tbsp soy sauce and 1 tbsp mirin, tossing everything to coat evenly. Cook for 1-2 minutes until the sauce thickens slightly and glazes the vegetables.
  5. Step 5: Remove from heat, sprinkle 1 tsp toasted sesame seeds and 2 thinly sliced green onion stalks over the dish before serving warm.

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Frequently asked questions

How long does Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze take to make?

Total time is about 22 minutes (10 min prep + 12 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 Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze?

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 vegetable oil from drying out.

Can I substitute ingredients in Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze?

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 Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze 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 Stir-Fried Okinawan Purple Sweet Potato and Goya with Garlic Soy Glaze 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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