Miso-Glazed Sweet Potato Mash

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

Creamy sweet potatoes roasted with white miso and maple syrup for a savory-sweet side that's the best ever. This japanese fusion-inspired vegetarian (gluten-free) ready in about 45 minutes pairs sweet potatoes, white miso paste, maple syrup for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. 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.

★ 4.5 (15 ratings) Prep: 15 min Cook: 30 min Serves 4 Japanese Fusion cuisine 180 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Peel and dice 2 lbs sweet potatoes into 1-inch cubes, then toss with 1 tbsp unsalted butter, 1/4 tsp black pepper, and 1 tbsp maple syrup on a baking sheet.
  2. Step 2: Roast for 25-30 minutes until tender and caramelized at the edges, stirring once halfway through. Remove from oven and let cool slightly.
  3. Step 3: Transfer roasted sweet potatoes to a food processor, add 2 tbsp white miso paste, 1 tbsp maple syrup, and 1 tsp fresh thyme leaves. Blend until completely smooth and creamy, scraping down the sides as needed.

Frequently asked questions

How long does Miso-Glazed Sweet Potato Mash take to make?

Total time is about 45 minutes (15 min prep + 30 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 Miso-Glazed Sweet Potato Mash?

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 sweet potatoes from drying out.

Can I substitute ingredients in Miso-Glazed Sweet Potato Mash?

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 Miso-Glazed Sweet Potato Mash for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Miso-Glazed Sweet Potato Mash gluten-free?

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

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