Melting Sweet Potatoes Maple Miso

Featured in: Perfect Complements for Every Meal

Maple syrup and white miso create a deliciously complex glaze, coating rounds of sweet potatoes pan-seared for a golden crust. After basting with butter, the potatoes simmer in the maple-miso bath and roast until meltingly tender. Finished with a drizzle of the caramelized sauce and a sprinkle of flaky salt, this dish balances sweet, savory, and umami flavors in each bite.

Tags: #vegetarian #medium #roasted #north-american #over-30-minutes #dinner #fall

A woman is sitting at a table with a plate of food in front of her. The plate contains a dessert with berries on top.
By Sana Sana
Updated on Mon, 20 Oct 2025 22:21:32 GMT
A plate of sweet potatoes with a spoonful of butter and sugar on top. Pin it
A plate of sweet potatoes with a spoonful of butter and sugar on top. | recipebyme.com

Rich and deeply caramelized, these melting sweet potatoes are the kind of dish I turn to whenever I want a vegetable centerpiece that everyone loves. The maple–miso glaze transforms simple sweet potatoes into something luxurious, perfect for family gatherings or adding a touch of elegance to an ordinary weeknight dinner.

I was skeptical the first time I mixed miso and maple syrup but after one bite these potatoes became an instant favorite whenever I host friends who need impressing

Ingredients

  • Pure maple syrup: brings rich natural sweetness that plays off the earthy potatoes Look for real maple syrup for best flavor
  • White miso: offers deep umami and complexity Try to select refrigerated fresh miso for a cleaner taste
  • Unseasoned rice vinegar: brightens the maple glaze and balances richness Choose clear unseasoned vinegar for clean acidity
  • Reduced-sodium soy sauce: enhances depth and rounds out the flavors Opt for a good quality naturally brewed option
  • Water: helps smooth the glaze and keeps potatoes moist during roasting Filtered water lets other flavors shine
  • Neutral oil: like grapeseed or canola ensures even browning without adding extra flavor Pick an oil with a high smoke point
  • Sweet potatoes: preferably orange fleshed and heavy for their size provide a creamy melt-in-your-mouth bite Look for firm specimens without any greenish tinge
  • Kosher salt: layers in seasoning throughout Use a coarse flaky kosher salt for best effect
  • Unsalted butter: brings richness and helps brown the potatoes Go for European style if you like extra depth
  • Flaky sea salt: adds a final burst of crunch and minerality Maldon is my go-to but any good finishing salt will do

Instructions

Prep the Oven:
Preheat your oven to four hundred twenty five degrees Fahrenheit and set a rack in the center You want a blazing hot oven to help caramelize the sweet potatoes
Whisk the Glaze:
Whisk together the maple syrup white miso rice vinegar and soy sauce in a medium bowl until totally smooth Stir in water until well combined The mixture should be glossy and pourable
Coat the Potatoes:
In a large bowl toss your sweet potato rounds with half the oil and half a teaspoon kosher salt Turn them so every cut surface is slicked with oil for maximum browning
Sear for Crispy Edges:
Heat the remaining oil in a large oven safe skillet over medium high Once the oil shimmers add the sweet potato rounds cut side down Cook without moving them for two to three minutes until the bottoms are deep golden brown Flip each round season with remaining salt and brown the other side for one to two minutes more
Butter Basting:
Drop in the butter and tilt the pan so it melts into a puddle Spoon bubbling butter constantly over all the potatoes Let the edges get fragrant and crisp This is where real flavor develops
Add the Glaze:
Pour in the maple miso mixture It should come about halfway up the sides of the potatoes Bring to a steady simmer so the glaze starts to thicken and bubble
Roast Until Melting:
Transfer the skillet to the preheated oven and roast for twenty three to twenty eight minutes The potatoes should be completely tender when pierced and the sauce thickened to a syrupy consistency
Finish and Serve:
Move the potatoes to a serving platter Whisk the sauce left in the pan until smooth and drizzle it generously over everything Finish with a sprinkle of flaky sea salt if you want a punch of texture and flavor
A black bowl filled with roasted sweet potatoes and seasonings.
A black bowl filled with roasted sweet potatoes and seasonings. | recipebyme.com

Miso is my secret ingredient for adding deep flavor that surprises everyone at the table It reminds me of the first time I served these to my dad He guessed there was something unusual and was shocked it was his beloved miso paste paired with sweet potatoes

Storage Tips

Leftover melting sweet potatoes store well in a covered container in the fridge for up to three days Reheat in a hot oven or air fryer to maintain crisp edges The sauce tends to thicken so loosen it with a splash of water if needed

Ingredient Substitutions

You can swap out white miso for yellow if you like more punch Just avoid red miso which is overpowering Maple syrup can be replaced with honey for a floral note If you only have seasoned rice vinegar reduce the salt slightly for balance

Serving Suggestions

These sweet potatoes make a gorgeous side with roasted chicken pork or a simple seared tofu For a showstopper holiday feast scatter with toasted pecans and chopped parsley They even shine as a hearty vegetarian main with a grain salad

Cultural and Historical Context

The inspiration for melting potatoes comes from the classic French pomme fondant while sweet potatoes have long been a comfort food staple in the American South Pairing the earthy sweetness of American sweet potatoes with Japanese miso and maple creates an unexpected global mash up

Seasonal Adaptations

For an autumn twist swap in warm spices like cinnamon or smoked paprika Springtime calls for a scattering of fresh chives or tarragon before serving In summer try the dish with grilled stone fruit or a squeeze of fresh lime Helpful notes The sauce can be doubled for extra drizzling on leftovers Cutting all potatoes to the same thickness ensures even cooking Take care not to overcrowd your skillet otherwise the potatoes will steam instead of brown

Success Stories

Friends who say they dislike sweet potatoes often become fans after tasting these The balance of sweet and savory always wins over skeptical eaters My goddaughter once ate fifteen of these at Thanksgiving and still asked for the recipe

Freezer Meal Conversion

To freeze slice and roast the sweet potatoes until just tender Skip the sauce for now Cool completely then freeze in a single layer When ready to serve warm in oven and finish with freshly made maple miso glaze for best flavor

A bowl of roasted sweet potatoes with a sprinkle of salt on top.
A bowl of roasted sweet potatoes with a sprinkle of salt on top. | recipebyme.com

Melting sweet potatoes deliver both elegance and comfort in a single skillet Serve them hot for the glossiest sauce and deepest flavor.

Recipe FAQs

→ What does miso add to sweet potatoes?

Miso brings a savory umami depth and subtle saltiness, enhancing the natural sweetness of the potatoes.

→ Can I substitute another vinegar for rice vinegar?

A mild white wine vinegar or apple cider vinegar works, but keep the quantity the same for balance.

→ Why cook the potatoes cut-side down first?

Cooking cut-side down caramelizes the surface, adding flavor and a golden color to each round.

→ How do I know when sweet potatoes are done?

They should be fork-tender and the sauce slightly thickened, ensuring a meltingly soft texture.

→ Is it necessary to use cast iron?

Cast iron provides even heat and crispness, but any oven-safe skillet will produce good results.

→ What can I serve alongside these potatoes?

They pair well with grilled meats, salads, or as a flavorful vegetarian centerpiece.

Melting Sweet Potatoes Maple Miso

Sweet potatoes glazed with maple, miso, soy, and butter for a rich, caramelized finish.

Prep Time
15 min
Cook Time
35 min
Total Time
50 min
By Sana: Sana

Category: Side Dishes

Skill Level: Medium

Cuisine: Modern American

Yield: 4 Servings (One large skillet of glazed sweet potatoes)

Dietary Categories: Vegetarian

Ingredients

→ Sauce

01 3 tablespoons pure maple syrup
02 3 tablespoons white miso paste
03 1 tablespoon unseasoned rice vinegar
04 2 teaspoons reduced-sodium soy sauce
05 1/2 cup water

→ Sweet Potatoes

06 2 tablespoons neutral oil, divided
07 1 1/2 pounds sweet potatoes, cut crosswise into 1-inch thick rounds
08 1 1/2 teaspoons kosher salt, divided

→ Finishing

09 2 tablespoons unsalted butter
10 Flaky sea salt, for serving (optional)

Steps

Step 01

Set oven to 425°F and position rack in the center.

Step 02

In a medium bowl, whisk together maple syrup, white miso, rice vinegar, and soy sauce until smooth. Stir in the water until fully incorporated.

Step 03

In a large bowl, toss sweet potato rounds with 1 tablespoon of neutral oil and 1/2 teaspoon kosher salt until evenly coated.

Step 04

Heat the remaining 1 tablespoon oil in a large oven-safe skillet over medium-high heat. Arrange sweet potatoes cut-side down and sear without moving until golden brown, about 2 to 3 minutes.

Step 05

Turn sweet potatoes to sear the opposite side, sprinkle with the remaining kosher salt, and cook until golden, about 1 to 2 minutes more.

Step 06

Add butter to the skillet and allow it to melt. Slightly tilt the pan and spoon melted butter over the potatoes several times until fragrant.

Step 07

Pour the maple-miso mixture into the skillet until sauce comes halfway up the sides of the potatoes. Bring to a gentle simmer.

Step 08

Transfer skillet to oven. Roast for 23 to 28 minutes, or until sweet potatoes are tender and sauce is slightly thickened.

Step 09

Arrange sweet potatoes on a serving platter. Whisk the sauce in skillet, drizzle over potatoes, and sprinkle with flaky sea salt if desired.

Notes

  1. Choose uniformly sized sweet potatoes for even cooking. Avoid overcrowding the skillet for optimal browning.

Required Equipment

  • Large oven-safe skillet
  • Mixing bowls
  • Whisk
  • Oven

Allergen Information

Check each ingredient for potential allergens and consult a healthcare professional if needed.
  • Contains soy and dairy

Nutritional Info (per serving)

This data is provided as a guide and doesn't replace medical advice.
  • Calories: 228
  • Fats: 7 g
  • Carbohydrates: 40 g
  • Proteins: 2 g