<p><em>A simple recipe to achieve the perfect baked Japanese sweet potato that tastes just like authentic Yaki Imo: crispy and caramelized on the outside, creamy sweet on the inside, and taste like cake! The best healthy snack to have during the fall and winter. </em></p>
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Perfect Baked Japanese Sweet Potatoes

Japanese sweet potatoes

Wash and dry the sweet potatoes. Prick a few holes into them with a fork. Wrap with foil or leave them as is (see blog post for details).

Without pre-heating, place them into the oven (you can use a baking tray or place them straight onto the wire rack int he oven) and bake at 325 F for 70-90 minutes OR 375 F for 50-65 minutes (see blog post for textural difference between the two temperatures) or until you can insert a chopstick through the potatoes easily.

Turn off the oven and them rest for 10 minutes. Enjoy! 

I love Japanese sweet potato, I live in Japan and every time I go to Don Quixote I buy one... Or two and eat them with peanut butter, it's addictive!

I love how simple and straight forward this recipe is! It’s also very easy to read and shows more than one option for texture, which you rarely see nowadays. 11/10 will make these again!

I recently moved to Scotland and have been struggling with SAD and the " I want to eat the whole world" type of feelings that seem to accompany SAD for me. Japanese sweet potatoes have been such a huge and helpful addition to my days. My favourite way to have them is baking them unfoiled, and drizzling a little tahini and coconut aminos on top. They are super filling and taste decadent but don't leave me feeling bloated or have cravings.  

For anyone living in a colder climate or northern place, I highly recommend treating yourself these potatoes!

Thank you so much for this wonderful easy recipe. Yesterday I bought Murasaki sweet potatoes from Trader Joe's and steamed them with carrots and brussels sprouts for my dinner - delicious.  I will roast the rest following your recipe for a crispy sweet treat! I went plant based 8 years ago and it saved my life. I lost 60 pounds and I'm slim, fit and healthy and in the best health of my life at 71. I only wish I had become vegan when I was younger, my life would have been very different!

I adjusted the baking time of this recipe to bring out the sweetness of sweet potatoes and eat as a dessert. If you remove the skin, sweet potatoes may be dried up. 

How did you adjust the baking time? I'm also looking to make a sweeter version.

Of all the recipes I've tried, this little guide gets the closest to what you get from the little carts/konbini in Japan! My favourite winter snack :)

The most detailed guide ever on how to cook amazing sweet potatoes 🥺 Thank you for sharing your wonderful recipes as always! ❤️

Thanks!! They turn out perfect every time!!

After finding this recipe page I have fallen in love with Japanese sweet potatoes! So easy and delicious! Thank you😊

I like it! Very concise and simple recipe. I'm trying to experiment a little.  Have you tried baking naked but not piercing any holes? I've seen some videos where they just the potatoes in the oven after washing without pricking the skin. Wondering what the turn out will be if they aren't prick.

Amazing guide! After reading through every method, I decided to bake at 375, and I ended up cooking them for just over 60 min to reach the perfect cake-like texture with a crispy outside. Each potato was around 210g, but I think the reason I needed to cook them a little longer was because the rack was too low. I think 55min would have been perfect if I remembered to move the rack to the middle. Also I highly recommend topping with a little salted vegan butter- it truly enhances all the flavors in the yaki imo!

I just made them tonight and had them with garden purple broccoli, butter, sour cream, chives, vegan bacon, salt and pepper!  After reading the above comments I'll definitely be trying them with tahini next time.  We actually planted some in the garden this year so hopefully they grow well and we get to enjoy them later in the season.  :)  And to someone's question above, you DEFINITELY can eat the skin.  In fact it's healthier if you do!

Sooo good. It’s like eating candy and it’s so simple 🥰 I will definitely be using the oven to prepare sweet potatoes from now on!!

I think I found my new favorite vegetable thanks to this! I used your 375F unwrapped method and my life is forever changed. So delicious! I eat the skin too because bits nice and crispy. Love this! Thanks.

So helpful! I’m using Japanese sweet potatoes for a blondies recipe, and this put me on the right track for how to prep them. Thank you for all the detail and options.

perfect baked japanese sweet potatoes

Prep Time: 3 minutes

Cook Time: 1 hours

Total: 1 hours, 3 minutes

Servings: 5

Author : Lisa Kitahara

Ingredients

Instructions

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