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Published: Sep 14, 2025 by Trish ยท This post may contain affiliate links ยท This blog generates income via ads ยท

Soy-Glazed Sweet Potatoes

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These soy-glazed sweet potatoes are a delicious and healthy side dish, packed with flavour and easy to make. Nutrient-dense sweet potatoes get a savoury upgrade with a rich, umami-packed soy glaze that becomes caramelized and irresistible as the potatoes bake. You will love that these sweet potatoes are mostly hands-off, baking in their glaze while you finish with the rest of dinner. This recipe is naturally gluten-free. If you are looking for a quick weeknight dinner addition or a crowd-pleasing veggie side, this recipe delivers with minimal effort. I promise this may become your new favourite way with sweet potatoes.

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soy glazed sweet potatoes on a serving platter with sesame seeds

Looking for more sweet potato recipes? Check these out:

  • Sweet Potato Frittata
  • Caramelized Sweet Potatoes with Smoked Cheddar
  • Sweet Potato & Chickpea Curry
  • Sweet Potato Black Bean Chilli

Why this recipe works

  • Salty and savoury flavours highlight the sweetness of the sweet potatoes
  • Mostly hands-free, simple prep. These potatoes bake in the oven while you do something else
  • Leftovers are just as good, if not better!

The magic in this recipe is in the soy glaze.

This glaze is everything. Everyone will ask, "What smells so good?" as the whole house will fill with a sweet, umami aroma.

The secret is this soy glaze:

  • toasted sesame oil
  • brown sugar
  • soy sauce (regular or reduced sodium). To make this recipe gluten-free, make sure you choose a gluten-free and wheat-free variety.
  • Mirin - a sweet rice cooking wine. You can also use sweet sherry
  • garlic
  • and a bit of water to thin it out
garlic soy glaze for oven roasted sweet potatoes

The glaze will look thin and runny as is. The magic happens as the potatoes bake in the glaze, releasing some of their starch. Once the potatoes are tender, we bake them uncovered until the sauce has thickened into a sticky, caramel-coloured glaze.

Prepping the sweet potatoes

In this recipe its best to leave the skins on the sweet potatoes. The skins will help hold everything together, without you may end up with mush.

Prep the sweet potatoes by giving them a really good scrub under cool running water with a vegetable brush to remove all dirt and debris. Trim off any roots or hard ends.

Slice the sweet potatoes into fat spears. If thin, cut each potato in half. For larger potatoes, cut them into quarters. I quartered mine since they were on the larger size.

Arrange the potatoes in a single layer in a large baking dish. Use two baking dishes if necessary to prevent overlapping.

wedges of raw sweet poatoes ready for baking

Simply pour the glaze over the sweet potatoes and tightly cover the baking dish with foil. Bake at 400 degrees until the potatoes are mostly tender. Poke them with a fork or thin knife to test for doneness. This will take 50-60 minutes, depending on the thickness of your potato wedges.

Remove foil and continue to bake uncovered for another 15-20 minutes, basting the potatoes in all the dark, caramelized juices in the bottom of the baking dish several times while baking. Bake until these juices have reduced to a thick sticky glaze.

Remove from oven and transfer to a serving platter, scraping all the sticky glaze onto the potatoes. Sprinkle with sesame seeds and serve.

Serving ideas:

  • I love these sweet and fragrant potatoes for a holiday meal. The potatoes cook themselves as you prepare other things, making them perfect for Thanksgiving or Sunday family dinners.
  • I often serve next to a whole roasted chicken or pork loin.
  • Leftovers reheat wonderfully - just warm on the stove top in a non-stick skillet until warm and sticky again.

๐Ÿ“– Recipe

soy glazed sweet potatoes on a serving platter with sesame seeds

Soy Glazed Sweet Potatoes

Trish | The In Fine Balance Food Blog
A simple sweet potatoe side dish, hands-free and gluten-free. These tasty sweet potatoes bake in this delicious soy glaze.
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Prep Time 15 minutes mins
Cook Time 1 hour hr 15 minutes mins
Course Side Dish
Servings 6 servings
Calories 156 kcal

Ingredients
  

  • 3 large sweet potatoes scrubbed and cut lenghtwise in half or into quarters to make thick spears
  • 1 tablespoon sesame oil toasted
  • 2 tablespoons brown sugar
  • 2 tablespoons mirin
  • 2 cloves garlic, minced
  • 3 tablespoons soy sauce be sure to check the lable for gluten-free if necessary
  • ยผ cup water
  • 1 tablespoon sesame seeds for garish
Get Recipe Ingredients

Instructions
 

  • Preheat oven to 400 degrees. Arrange the sweet potatoes on a baking dish in a single layer. I used a 9x12 glass baking dish.
    3 large sweet potatoes
  • Make the glaze. Mix together the sesame oil, brown sugar, mirin, garlic, soy sauce and water. Brush the glaze over the sweet pototoes using it all. Cover the baking dish tightly with foil and bake at 400 until potatoes are tender, 50-60 minutes.
    1 tablespoon sesame oil, 2 tablespoons brown sugar, 2 tablespoons mirin, 2 cloves garlic, minced, 3 tablespoons soy sauce, ยผ cup water
  • Test the poatoes to ensure they are tender by piecing with a fork. They should be almost soft but not mushy. Once tender, remove the foil. Baste the potatoes in the juice that has collected at the bottom the baking dish and bake, uncovered for another 15-20 minutes. Baste the potoates occassionally to ensure the sticky sauce sticks to the potatoes. Bake until the juices have reduced to a sticky, thick glaze. Remove from oven and sprinkle with sesame seeds. Servce
    1 tablespoon sesame seeds

Notes

Baste the sweet potatoes while baking to ensure every inch is covered in the sticky glaze.
Reduced sodium soy sauce works as well as regular soy sauce. Be sure to choose tamari or a wheat-free soy sauce for a gluten-free dish.ย 
This recipe can be easily doubled to feed a crowd and works well for larger gatherings

Nutrition

Calories: 156kcalCarbohydrates: 30gProtein: 3gFat: 3gSaturated Fat: 0.4gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gSodium: 610mgPotassium: 415mgFiber: 4gSugar: 10gVitamin A: 16032IUVitamin C: 3mgCalcium: 54mgIron: 1mg
Tried this recipe?Mention @infinebalance or tag #infinebalance!

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Trish Cowper

Hi. I'm Trish.

I'm a curious home cook, just as enthusiastic about healthy ingredients and whole foods as I am about cookies.

more about me โ†’

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