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Purple Okinawan Potatoes

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purple Okinawa potato


Okinawan purple sweet potatoes are long and tubular shaped with a tan skin and a vibrant purple interior. Also known as Japanese purple potatoes and Hawaiian purple potatoes, they are packed with manganese, vitamins A and C – along with a good deal of dietary fiber and iron.

Once cooked, they take on a smooth, creamy and slightly starchy consistency with a mildly sweet and nutty flavor. 

These purple wonders go so well chopped as a topper in your favorite healthy grain bowl, in a sweet potato pie for the holidays – or as the star ingredient in a decadent purple sweet potato haupia pie.

And they’re so easy to prepare in your rice cooker!



The premise in cooking purple potatoes in a rice cooker is very similar to cooking them on the stovetop. You’re basically boiling them (peeled) until they achieve a soft, smooth, creamy texture.

However, the advantage to the rice cooker method is that you don’t have to keep an eye on a boiling pot of water on the stovetop – constantly sticking a fork in your perfect potatoes to see if they’re properly cooked.

When the timer sounds off, they’re good to go!

For a perfectly cooked Japanese purple potato, simply peel them and place in your rice cooker with water and a pinch of salt. 35 minutes on the Slow Cook function should do the trick.

Eat these delicious nutritional giants with gusto!

And check out these other delicious and easy vegetable recipes you can prepare in your rice cooker:

Bon appetit!

Recipe using these products

Purple Okinawan Potatoes

Rice Cooker Recipe

Prepare these purple beauties with the press of a button. Okinawan purple sweet potatoes are a superfood you’ll want to get in your steady dinner rotation STAT!


10 minutes

35 minutes

  1. Place all the ingredients in the inner pot and close the lid. Choose the [Slow Cook] function and set the timer to 35 minutes. Press Start. 
  2. Once complete, serve on a plate.

Ingredients below are for a 5.5-cup cooker. Double the ingredients for a 10-cup cooker.

  • 2-3 Purple Hawaiian or Okinawan sweet potatoes, peeled
  • 200 ml Water
  • ¼ tsp salt

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